Saint Charles, MO

9:29 PM CDT on May 21, 2013 (GMT -0500)
Elev: 443 ft
Lon: 90.5° W
Lat: 38.8° N
Source
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Oklahoma Tornado: More coverage on Catastrophic EF-5 Tornado in Oklahoma
Active Advisory: Flood Warning (US Severe Weather) Active Notice: Record Report,  Local Storm Report,  Public Information Statement
News
Miles and Minutes: Okla. Tornado By the Numbers
May 21, 2013
See the facts and figures that defined the Moore, Okla. tornado.
Moore Tornado a Rare EF5
May 21, 2013
EF5/F5 tornadoes are rare, but Moore has seen two of them in the past 15 years.
Power of Moore Tornado Dwarfs Hiroshima Atomic Bomb
May 21, 2013
Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.
Okla Governor: We Will Rebuild After Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
Weather Imagery Reveals Oklahoma Tornado
May 21, 2013
The Moore, Oklahoma tornado showed up vividly on satellite and radar.
PTSD Risk after the Oklahoma Tornado
May 21, 2013
In the wake of Mondays devastating tornado that ravaged the town of Moore, Okla., survivors are likely to feel incredible shock and numbness.
Tornado Leaves Small Hospital 'Pretty Much Destroyed'
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
Obama: 'Americans From Every Corner of This Country Will Be With Them'
May 21, 2013
Obama has declared a major disaster in Oklahoma, ordering federal aid to supplement state and local recovery efforts. The president also spoke Monday with Oklahoma Gov. Mary Fallin and Rep. Tom Cole, whose home is in the heavily damaged town of Moore.
Why Don't More Homes in Oklahoma Have Basements?
May 21, 2013
The answer lies in the level of the water table and the soil texture in Oklahoma and in states across the Plains.
Photos: Deadly Tornado Outbreak Strikes Plains
May 21, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Children and the Tornado: Helping Kids Cope
May 21, 2013
Any time children are involved in a catastrophe, emotional reactions among survivors and across the nation are particularly strong.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 21, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
'I Expected Chaos:' Scenes from Okla. School
May 21, 2013
A photographer who was among the first to arrive at an Oklahoma Elementary School after a tornado destroyed it, describes the heart-wrenching scene.
A Timeline of Deadly Events in Moore, Okla.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
In Tornado's Wake, Worried Parents Seek Out Kids
May 21, 2013
A desperate search was underway by parents looking to find children after the massive tornado.
Moore Already at Work on Recovery, Says Mayor
May 21, 2013
Glenn Lewis was the mayor of Moore, Okla., when the strongest tornado on record whipped the city in 1999, and he says the most recent storm won't deter the community from rebuilding.
Moore Survivor Finds Dog Buried Alive
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Watch as a tornado survivor is interrupted in the middle of interview by a little dog digging out of rubble.
Oklahoma Tornado: How to Help
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There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Multiple Children Dead at Okla. School
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More than a dozen children are dead in the devastating Moore, Okla. tornado.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.
More News Articles

Saint Charles Weather at a Glance

Updated 9:29 PM CDT
Elevation
577 ft
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Now
Clear
Clear
Temperature
69.3 °F
Feels Like 69.3 °F
Wind(mph)
0.0
Sunrise / Set
5:44 AM
8:13 PM
Moon
Waxing Gibbous
Tonight
Thunderstorm 64 °F
T-storms
80% chance of precipitation
Tomorrow
Chance of a Thunderstorm 77 °F
Chance of T-storms
30% chance of precipitation
Tomorrow Night
Partly Cloudy 57 °F
Partly Cloudy
Thursday
Partly Cloudy 70 | 50 °F
Partly Cloudy
Friday
Chance of a Thunderstorm 73 | 45 °F
Chance of a Thunderstorm
20% chance of precipitation
Saturday
Overcast 72 | 54 °F
Overcast
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.70 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
47%
Rainfall
0.98 in
Snow Depth
Not available.
METAR
METAR KSET 220154Z AUTO 17006KT 10SM CLR 21/17 A2971 RMK AO2 SLP055 T02060167
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
69.3 °F
68,70,72,73,75,77,79,80,80,79,75,75,72
Dew Point
48 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
0 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with thunderstorms and rain showers. Low of 64F. Winds from the SW at 5 to 10 mph. Chance of rain 80% with rainfall amounts near 0.5 in. possible.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain in the afternoon. High of 77F. Winds from the West at 10 to 15 mph. Chance of rain 30%.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the WNW at 5 to 15 mph.
Thursday
partlycloudy Partly cloudy. High of 70F. Winds from the NW at 10 to 15 mph.
Thursday Night
nt_clear Partly cloudy in the evening, then clear. Low of 50F. Winds from the NE at 5 to 15 mph.
Friday
partlycloudy Clear. High of 73F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.
Friday Night
nt_cloudy Overcast with a chance of a thunderstorm and a chance of rain. Low of 45F. Winds from the SE at 5 to 10 mph.
Saturday
cloudy Overcast. High of 72F. Winds from the SE at 5 to 10 mph.
Saturday Night
nt_cloudy Overcast. Low of 54F. Winds from the SE at 5 to 10 mph.
Sunday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. Fog early. High of 73F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 64F. Winds from the SE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.7 in. possible.
Monday
chancetstorms Overcast with a chance of a thunderstorm. High of 88F with a heat index of 93F. Winds from the South at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Monday Night
nt_cloudy Overcast. Fog overnight. Low of 63F. Winds from the SSE at 5 to 10 mph.
Tuesday
mostlycloudy Mostly cloudy. High of 91F. Winds from the South at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds from the South at 5 to 15 mph.
Wednesday
partlycloudy Clear. High of 93F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the South at 10 to 15 mph.
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 97F. Winds from the SSW at 10 to 15 mph. Chance of rain 20%.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 5 to 10 mph.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 99F. Winds from the SSW at 10 to 15 mph. Chance of rain 50%.
Friday Night
nt_partlycloudy Clear. Low of 72F. Winds from the SSW at 5 to 10 mph.
Saturday
clear Clear. High of 97F. Winds from the SW at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 72F. Winds less than 5 mph.
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Weather Forecast for Saint Charles MO

View Calendar 10-Day Forecast for station KMOSAINT4

Tuesday, 21
Thunderstorm
86 | 64 °F
T-storms
Chance of
Precipitation
40%
Wednesday, 22
Chance of a Thunderstorm
77 | 57 °F
Chance of T-storms
Chance of
Precipitation
30%
Thursday, 23
Partly Cloudy
70 | 50 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 24
Chance of a Thunderstorm
73 | 45 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Saturday, 25
Overcast
72 | 54 °F
Overcast
Chance of
Precipitation
0%
Sunday, 26
Chance of a Thunderstorm
73 | 64 °F
Chance of T-storms
Chance of
Precipitation
40%
Monday, 27
Chance of a Thunderstorm
88 | 63 °F
Chance of T-storms
Chance of
Precipitation
60%
Tuesday, 28
Mostly Cloudy
91 | 63 °F
Mostly Cloudy
Chance of
Precipitation
0%
Wednesday, 29
Partly Cloudy
93 | 72 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Chance of a Thunderstorm
97 | 72 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with thunderstorms and rain showers. Low of 64F. Winds from the SW at 5 to 10 mph. Chance of rain 80% with rainfall amounts near 0.5 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 64 80 | 67 83 | 65 70 | 64
Wind 9 mph SSW 12 mph SW 9 mph SW 7 mph SW
Humidity 90% 64% 57% 82%
Chance of Precip. 100% 10% 40% 80%
Cloud Cover 87% 64% 67% 85%
Conditions Thunderstorm Mostly Cloudy Chance of a Thunderstorm Thunderstorm
Sunrise & Sunset
5:44 AM
8:13 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.24], Average RMSE [1.12]
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain in the afternoon. High of 77F. Winds from the West at 10 to 15 mph. Chance of rain 30%.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 73 | 58 76 | 56 64 | 54
Wind 7 mph SW 13 mph WSW 11 mph West 7 mph West
Humidity 86% 60% 50% 68%
Chance of Precip. 80% 40% 30% 10%
Cloud Cover 92% 49% 48% 48%
Conditions Thunderstorm Chance of Rain Chance of Rain Partly Cloudy
Sunrise & Sunset
5:43 AM
8:13 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.09], Average RMSE [1.36]
The National Weather Service forecast quality is good. MaxT RMSE [2.49], Average RMSE [1.69] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 70F. Winds from the NW at 10 to 15 mph.
Thursday Night
nt_clear Partly cloudy in the evening, then clear. Low of 50F. Winds from the NE at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 52 66 | 55 66 | 53 56 | 48
Wind 9 mph WNW 12 mph WNW 11 mph NNW 7 mph NNE
Humidity 81% 65% 61% 74%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 53% 53% 49% 10%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:43 AM
8:14 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.06], Average RMSE [1.84]
The National Weather Service forecast quality is fair. MaxT RMSE [2.53], Average RMSE [1.38] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Clear. High of 73F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.
Friday Night
nt_cloudy Overcast with a chance of a thunderstorm and a chance of rain. Low of 45F. Winds from the SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 45 64 | 47 70 | 48 60 | 45
Wind 6 mph ENE 6 mph East 6 mph East 6 mph SE
Humidity 71% 53% 46% 59%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 10% 10% 15% 97%
Conditions Clear Clear Clear Overcast
Sunrise & Sunset
5:42 AM
8:15 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.93], Average RMSE [2.69]
The National Weather Service forecast quality is poor. MaxT RMSE [3.58], Average RMSE [2.61] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
cloudy Overcast. High of 72F. Winds from the SE at 5 to 10 mph.
Saturday Night
nt_cloudy Overcast. Low of 54F. Winds from the SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 44 62 | 53 72 | 60 64 | 54
Wind 6 mph SE 9 mph SE 8 mph SE 8 mph SE
Humidity 78% 68% 64% 71%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 100% 100% 100% 100%
Conditions Overcast Overcast Overcast Overcast
Sunrise & Sunset
5:41 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.15], Average RMSE [2.96]
The National Weather Service forecast quality is poor. MaxT RMSE [4.13], Average RMSE [2.76] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Sunday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. Fog early. High of 73F. Winds from the SSE at 5 to 15 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 64F. Winds from the SE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.7 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 53 68 | 64 67 | 67 65 | 64
Wind 8 mph SSE 9 mph SSE 6 mph SE 7 mph ESE
Humidity 80% 82% 100% 95%
Chance of Precip. 0% 10% 30% 40%
Cloud Cover 100% 100% 100% 100%
Conditions Overcast Overcast Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:41 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.67], Average RMSE [3.17]
The National Weather Service forecast quality is poor. MaxT RMSE [4.57], Average RMSE [3.28] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Monday
chancetstorms Overcast with a chance of a thunderstorm. High of 88F with a heat index of 93F. Winds from the South at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Monday Night
nt_cloudy Overcast. Fog overnight. Low of 63F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 64 73 | 70 79 | 71 71 | 65
Wind 6 mph South 4 mph South 9 mph ESE 7 mph SSE
Humidity 99% 91% 75% 84%
Chance of Precip. 30% 20% 10% 10%
Cloud Cover 100% 100% 100% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Overcast Overcast
Sunrise & Sunset
5:40 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.11], Average RMSE [4.31]
The National Weather Service forecast quality is poor. MaxT RMSE [5.21], Average RMSE [3.92] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday
mostlycloudy Mostly cloudy. High of 91F. Winds from the South at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds from the South at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 79 | 69 85 | 71 68 | 65
Wind 6 mph South 9 mph South 10 mph South 9 mph South
Humidity 89% 71% 65% 89%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 100% 41% 70% 22%
Conditions Fog Partly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
5:40 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.02], Average RMSE [3.24]
The National Weather Service forecast quality is poor. MaxT RMSE [5.69], Average RMSE [3.89] : Use NWS
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 93F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 62 86 | 65 89 | 69 76 | 67
Wind 6 mph SSW 11 mph SSW 9 mph SSW 10 mph South
Humidity 80% 49% 51% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 34% 33% 26% 27%
Conditions Fog Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:39 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.45], Average RMSE [4.30]
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 97F. Winds from the SSW at 10 to 15 mph. Chance of rain 20%.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 75 | 63 87 | 65 93 | 69 76 | 69
Wind 9 mph SSW 11 mph SSW 9 mph SSW 10 mph South
Humidity 65% 49% 46% 75%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 35% 37% 32% 32%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:39 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.19], Average RMSE [4.80]
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 99F. Winds from the SSW at 10 to 15 mph. Chance of rain 50%.
Friday Night
nt_partlycloudy Clear. Low of 72F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 75 | 65 91 | 67 92 | 71 75 | 71
Wind 9 mph SSW 10 mph SSW 7 mph SSW 8 mph SSW
Humidity 68% 46% 52% 85%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 37% 41% 44% 37%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 9:23 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
clear Clear. High of 97F. Winds from the SW at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 72F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 67 89 | 69 90 | 71 74 | 69
Wind 8 mph SSW 9 mph SW 5 mph SW 5 mph SSW
Humidity 78% 49% 52% 86%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 19% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KSTL) 78 °F 59 °F
Record (KSTL) 93 °F (1941) 38 °F (1883)
Yesterday 83 °F 63 °F
Yesterday's Cooling Degree Days: 8
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:44 AM CDT 8:13 PM CDT
Civil Twilight 5:14 AM CDT 8:43 PM CDT
Nautical Twilight 4:36 AM CDT 9:21 PM CDT
Astronomical Twilight 3:54 AM CDT 10:03 PM CDT
Moon 4:28 PM CDT (5/21) 3:10 AM CDT (5/21)
Length Of Visible Light 15h 29m
Length of Day
14h 28m
Tomorrow will be 1m 31s longer.
Waxing Gibbous, 87% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
St. Louis
80 °F
St. Charles
79 °F
Spirit of St Louis
79 °F
Cape Girardeau
78 °F
Poplar Bluff
55 °F
Kansas City International
57 °F
Lee's Summit
57 °F
St. Joseph
59 °F
Warrensburg
59 °F
Monett
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
St. Charles 69 °F Clear 8:54 PM CDT
St. Louis 73 °F Mostly Cloudy 8:51 PM CDT
Spirit of St Louis 68 °F Mostly Cloudy 8:54 PM CDT
Alton 70 °F Mostly Cloudy 8:55 PM CDT
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Flight To ETA Status
LOF378A
Chicago, IL 		KSTL 09:28PM On Time
LOF3378
Chicago, IL 		KSTL 09:30PM On Time
SWA34
Tulsa, OK 		KSTL 09:36PM On Time
LOF5278
Houston, TX 		KSTL 09:41PM On Time
AMF723
Chicago/West Chicago, IL 		KSUS 09:32PM On Time
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Type Condition
Flight Rule: VFR (KSET)
Wind Speed: 6.0 kts.
Wind Dir: 112° (ESE)
Ceiling: Unlimited

METAR KSET 220154Z AUTO 17006KT 10SM CLR 21/17 A2971 RMK AO2 SLP055 T02060167

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 81 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Partly Cloudy, 81 °F
Royals vs. Cardinals 7:15 PM CDT on May 29, 2013 Average High 80° F/ 26° C
Royals vs. Cardinals 7:15 PM CDT on May 30, 2013 Average High 79° F/ 26° C
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 68° F/ 20° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Mostly Cloudy, 70 °F
BMW Championship 8:30 AM CDT on September 12, 2013 Average High 82° F/ 27° C
BMW Championship 8:30 AM CDT on September 13, 2013 Average High 81° F/ 27° C
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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Fox Hill, Saint Charles, MO 69.3 °F - 48 °F 47% ESE  at  0.0 mph 0.00 in / hr 577 ft 9:29 PM CDT Rapid Fire  
Saint Charles Hills, Saint Charles, MO 69.0 °F - 61 °F 76% SSW  at  2.3 mph 0.00 in / hr 475 ft 9:29 PM CDT Rapid Fire
Historic Saint Charles, Saint Charles, MO 69.0 °F - 62 °F 80% SSW  at  0.0 mph 0.01 in / hr 534 ft 9:24 PM CDT Normal  
Polestar Boating Center, St. Charles, MO 68.7 °F - 64 °F 86% North  at  0.0 mph 0.00 in / hr 449 ft 9:29 PM CDT Rapid Fire
Riverwood Place, Florissant, MO 70.0 °F - 63 °F 79% SE  at  0.0 mph 0.00 in / hr 586 ft 9:28 PM CDT Rapid Fire  
West Drive, St. Peters, MO 67.0 °F - 62 °F 82% ENE  at  0.0 mph 0.00 in / hr 560 ft 9:29 PM CDT Rapid Fire
APRSWXNET Saint Peters M, Saint Peters, MO 69 °F - 61 °F 75% NNE  at  0 mph 0.00 in / hr 511 ft 9:00 PM CDT MADIS
St. Peters, St. Peters, MO 69.6 °F - 62 °F 78% SW  at  0.0 mph 0.00 in / hr 456 ft 9:23 PM CDT Normal
Saint Peters, MO 68.5 °F - 62 °F 81% West  at  1.0 mph 0.00 in / hr 541 ft 9:29 PM CDT Rapid Fire  
Danielle Downs, St. Peters, MO 67.5 °F - 63 °F 87% SW  at  0.0 mph 0.00 in / hr 561 ft 9:29 PM CDT Rapid Fire  
St. Peters, St. Peters, MO 69.4 °F - 62 °F 77% South  at  3.0 mph 0.00 in / hr 499 ft 9:27 PM CDT Normal  
Creve Coeur Airport, Maryland Heights, MO 67.3 °F - 63 °F 85% SSW  at  1.0 mph 0.00 in / hr 427 ft 9:25 PM CDT Normal
Florissant, MO 68.0 °F - 64 °F 87% SE  at  0.0 mph 0.00 in / hr 597 ft 9:28 PM CDT Rapid Fire  
Harvester, St. Charles, MO 68.3 °F - 63 °F 82% SE  at  0.0 mph 0.00 in / hr 558 ft 9:27 PM CDT Normal
Maryland Heights, MO 69.9 °F - 63 °F 78% SSE  at  1.0 mph 0.00 in / hr 501 ft 9:27 PM CDT Normal
Jost Farm, Florissant, MO 70.3 °F 72 °F 62 °F 76% East  at  5.4 mph 0.00 in / hr 505 ft 9:25 PM CDT Normal  
1 Mile South of St. Louis Lambert Airpo, Woodson Terrace, MO 69.6 °F - 64 °F 82% SSW  at  0.0 mph 0.00 in / hr 659 ft 9:29 PM CDT Rapid Fire  
APRSWXNET Maryland Heights MO , Maryland Heights, MO 70 °F - 62 °F 75% NNE  at  0 mph 0.00 in / hr 548 ft 9:04 PM CDT MADIS
Creve Coeur, St. Louis, MO 67.5 °F - 61 °F 79% North  at  0.0 mph 0.00 in / hr 512 ft 9:29 PM CDT Normal  
Maryland Heights, St Louis, MO 70.1 °F 72 °F 63 °F 78% SE  at  1.0 mph 0.00 in / hr 564 ft 9:16 PM CDT Normal
Chesterfield (East), Chesterfield, MO 68.7 °F - 63 °F 81% SE  at  2.0 mph 0.00 in / hr 530 ft 9:28 PM CDT Normal
O'fallon / St. Peters, St. Peters, MO 70.7 °F 72 °F 64 °F 78% South  at  0.0 mph 0.00 in / hr 530 ft 9:29 PM CDT Rapid Fire
Whispering Hills, Creve Coeur, MO 71.1 °F 72 °F 64 °F 78% SE  at  4.0 mph 0.00 in / hr 530 ft 9:29 PM CDT Rapid Fire
Graeser Acres, St. Louis, MO 69.5 °F - 61 °F 75% South  at  0.2 mph 0.00 in / hr 614 ft 9:29 PM CDT Rapid Fire  
Ofallon Civic Park, Ofallon, MO 69.9 °F - 62 °F 77% SE  at  1.0 mph 0.00 in / hr 521 ft 9:29 PM CDT Rapid Fire  
APRSWXNET Olivette MO , Saint Louis, MO 69 °F - 62 °F 78% SSE  at  1 mph 0.00 in / hr 692 ft 8:59 PM CDT MADIS
Downtown O'Fallon, O'Fallon, MO 67.0 °F - 61 °F 82% SSE  at  0.0 mph 0.00 in / hr 543 ft 9:28 PM CDT Normal  
Hyland Green, O'Fallon, MO 70.2 °F 71 °F 64 °F 80% South  at  0.0 mph 0.00 in / hr 449 ft 9:28 PM CDT Rapid Fire  
Pennial Park, O'Fallon, MO 67.2 °F - 59 °F 76% SE  at  4.0 mph 0.00 in / hr 518 ft 9:25 PM CDT Normal
Austin Ridge, Saint Charles, MO 68.9 °F - 63 °F 80% SSE  at  0.0 mph 0.00 in / hr 580 ft 9:29 PM CDT Normal
De Smet Jesuit High School, Creve Coeur, MO 68.6 °F - 63 °F 81% SSE  at  5.0 mph 0.00 in / hr 666 ft 9:24 PM CDT Normal  
Ladue Meadows, Creve Coeur, MO 70.0 °F - 62 °F 76% SSE  at  0.0 mph 0.00 in / hr 486 ft 9:25 PM CDT Normal  
Royal Oaks, O'Fallon, MO 68.2 °F - 62 °F 82% SSW  at  1.0 mph 0.00 in / hr 593 ft 9:29 PM CDT Rapid Fire
APRSWXNET Ladue MO , Saint Louis, MO 69 °F - 62 °F 79% SW  at  0 mph 0.00 in / hr 626 ft 8:59 PM CDT MADIS
Twin Chimneys, O'Fallon, MO 68.0 °F - 62 °F 81% SW  at  0.0 mph 0.00 in / hr 590 ft 9:25 PM CDT Normal  
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Flood Warning
Mobile & Email Alerts Statement as of 12:07 PM CDT on May 21, 2013

The Flood Warning continues for
the Dardenne creek at St. Peters
* until this evening.
* At 11:55 am Tuesday the stage was 22.5 feet.
* Flood stage is 18.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast... the creek is forecast to crest near 22.6 feet early this
afternoon before falling quickly back below flood stage this evening.
* Impact... at 23.0 feet... University of Missouri agricultural
extension parking lot begins to flood near this level.
* Impact... at 22.5 feet... near this level the agricultural levee
between the creek and Highway c becomes overtopped, flooding
Highway c and the cropland to the northwest of Highway c.


Lat... Lon 3875 9063 3879 9066 3883 9063 3882 9061 3876 9062



                   fld latest 7am forecast
location stg obs stg 05/22 05/23 05/24 05/25 05/26


1142 am CDT Tue may 21 2013

The Flood Warning continues for
the Mississippi River at Alton lock and dam 26
* until Friday evening.
* At 11:00 am Tuesday the stage was 21.4 feet.
* Flood stage is 21.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast... the river is forecast to crest to near 22.1 feet
early Thursday morning.


Lat... Lon 3891 9033 3895 9028 3883 9003 3881 9017 3886 9017





1142 am CDT Tue may 21 2013

The Flood Warning continues for
the Mississippi River at Grafton
* until further notice.
* At 11:00 am Tuesday the stage was 22.5 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast... the river is forecast to rise to near 22.8 feet early Wednesday
afternoon.
* Impact... at 22.5 feet... east end of Main Street in Portage Des Sioux
begins flooding near this height.


Lat... Lon 3881 9057 3888 9057 3899 9046 3895 9028 3882 9048





Record Report
Mobile & Email Alerts Statement as of 02:53 am CDT on May 21, 2013

... Record daily maximum rainfall set at Columbia ASOS...

a record rainfall of 1.48 inches was set at Columbia ASOS yesterday.
This breaks the old record of 1.2 set in 1947.



View All U.S. Severe Weather
Local Storm Report
Mobile & Email Alerts


05/20/2013 1100 PM

Cottleville, St Charles County.

Flash flood, reported by NWS employee.


            Highway N near Weiss Rd closed due to flooding





05/21/2013 0825 am

St. Peters, St Charles County.

Heavy rain m4.07 inch, reported by NWS employee.


            24-hr total.





05/21/2013 0700 am

Harvester, St Charles County.

Heavy rain m3.80 inch, reported by co-op observer.


            24-hr total.





05/21/2013 0535 am

1 miles NNW of Weldon Sprin, St Charles County.

Heavy rain m5.35 inch, reported by NWS employee.


            Storm total since Sunday.





05/21/2013 0700 am

Weldon Spring, St Charles County.

Heavy rain m3.42 inch, reported by NWS employee.


            24-hr total.





05/21/2013 0700 am

Cottleville, St Charles County.

Heavy rain m3.85 inch, reported by co-op observer.


            24-hr total.





05/21/2013 0653 am

2 miles SSE of St. Peters, St Charles County.

Heavy rain m4.02 inch, reported by co-op observer.






05/21/2013 0653 am

2 miles SSE of St. Peters, St Charles County.

Heavy rain m4.02 inch, reported by co-op observer.






05/21/2013 0617 am

St. Peters, St Charles County.

Heavy rain m4.50 inch, reported by trained spotter.


            Rainfall total since last evening.





05/21/2013 0617 am

St. Peters, St Charles County.

Heavy rain m4.50 inch, reported by trained spotter.


            Rainfall total since last evening.





05/21/2013 0515 am

St. Peters, St Charles County.

Heavy rain m4.04 inch, reported by trained spotter.


            24 hour rainfall total





05/20/2013 0723 PM

Wentzville, St Charles County.

Hail e0.50 inch, reported by amateur radio.





05/20/2013 0731 PM

Wentzville, St Charles County.

Hail e0.25 inch, reported by trained spotter.





05/20/2013 0738 PM

Lake St. Louis, St Charles County.

Hail e0.25 inch, reported by trained spotter.





05/20/2013 0740 PM

2 miles SSW of O'Fallon, St Charles County.

Hail e0.25 inch, reported by NWS employee.





05/20/2013 0758 PM

O'Fallon, St Charles County.

Hail e0.50 inch, reported by airplane pilot.





05/20/2013 0812 PM

Cottleville, St Charles County.

Thunderstorm wind damage, reported by trained spotter.


            1 tree blown down




05/20/2013 0816 PM

Harvester, St Charles County.

Hail e0.50 inch, reported by trained spotter.





05/20/2013 0817 PM

Harvester, St Charles County.

Hail m1.00 inch, reported by amateur radio.





05/20/2013 0817 PM

St. Charles, St Charles County.

Hail e1.00 inch, reported by trained spotter.





05/20/2013 0821 PM

St. Charles, St Charles County.

Hail e0.50 inch, reported by trained spotter.





05/20/2013 0824 PM

St. Peters, St Charles County.

Hail e1.00 inch, reported by broadcast media.





05/20/2013 0830 PM

1 miles NW of St. Peters, St Charles County.

Heavy rain m1.50 inch, reported by trained spotter.


            Fell in past hour... near intersection of Mexico Road
            and Grand Teton drive.




05/20/2013 0833 PM

O'Fallon, St Charles County.

Thunderstorm wind damage, reported by trained spotter.


            Power lines down at Mexico and Bryan Road




05/20/2013 0910 PM

Cottleville, St Charles County.

Heavy rain m1.90 inch, reported by NWS employee.


            NWS employee reported 1.90 inches of rain since the
            start of the rain.




05/20/2013 0930 PM

4 miles E of Washington, St Charles County.

Thunderstorm wind gust m50 mph, reported by amateur radio.





05/20/2013 0947 PM

4 miles NNE of Orchard farmonroe, St Charles County.

Thunderstorm wind gust m69 mph, reported by ASOS.





05/20/2013 1000 PM

St. Charles, St Charles County.

Flash flood, reported by amateur radio.


            Flooding at kingshighway and 1st Capitol... .water
            approximately 10 inches deep and Fire Department is
            pulling cars out of flood waters




05/20/2013 1116 PM

St. Charles, St Charles County.

Flash flood, reported by trained spotter.


            Flooding on Elm Street




05/20/2013 1116 PM

St. Charles, St Charles County.

Flash flood, reported by trained spotter.


            Flooding on Elm Street





05/20/2013 1116 PM

St. Charles, St Charles County.

Flash flood, reported by trained spotter.


            Flooding on Elm Street





05/20/2013 1000 PM

St. Charles, St Charles County.

Flash flood, reported by amateur radio.


            Flooding at kingshighway and 1st Capitol... .water
            approximately 10 inches deep and Fire Department is
            pulling cars out of flood waters





05/20/2013 0947 PM

4 miles NNE of Orchard Farm, St Charles County.

Thunderstorm wind gust m69 mph, reported by ASOS.






05/20/2013 0930 PM

4 miles E of Washington, St Charles County.

Thunderstorm wind gust m50 mph, reported by amateur radio.






05/20/2013 0910 PM

Cottleville, St Charles County.

Heavy rain m1.90 inch, reported by NWS employee.


            NWS employee reported 1.90 inches of rain since the
            start of the rain.





05/20/2013 0833 PM

O'Fallon, St Charles County.

Thunderstorm wind damage, reported by trained spotter.


            Power lines down at Mexico and Bryan Road





05/20/2013 0830 PM

1 miles NW of St. Peters, St Charles County.

Heavy rain m1.50 inch, reported by trained spotter.


            Fell in past hour... near intersection of Mexico Road
            and Grand Teton drive.





05/20/2013 0817 PM

St. Charles, St Charles County.

Hail e1.00 inch, reported by trained spotter.






05/20/2013 0817 PM

St. Charles, St Charles County.

Hail e1.00 inch, reported by trained spotter.






05/20/2013 0824 PM

St. Peters, St Charles County.

Hail e1.00 inch, reported by broadcast media.






05/20/2013 0821 PM

St. Charles, St Charles County.

Hail e0.50 inch, reported by trained spotter.






05/20/2013 0817 PM

Harvester, St Charles County.

Hail m1.00 inch, reported by amateur radio.






05/20/2013 0812 PM

Cottleville, St Charles County.

Thunderstorm wind damage, reported by trained spotter.


            1 tree blown down





05/20/2013 0812 PM

Cottleville, St Charles County.

Thunderstorm wind damage, reported by trained spotter.


            1 tree blown down





05/20/2013 0818 PM

Harvester, St Charles County.

Hail e0.50 inch, reported by trained spotter.






05/20/2013 0758 PM

O'Fallon, St Charles County.

Hail e0.50 inch, reported by airplane pilot.






05/20/2013 0740 PM

2 miles SSW of O'Fallon, St Charles County.

Hail e0.25 inch, reported by NWS employee.






05/20/2013 0738 PM

Lake St. Louis, St Charles County.

Hail e0.25 inch, reported by trained spotter.






05/20/2013 0731 PM

Wentzville, St Charles County.

Hail e0.25 inch, reported by trained spotter.






05/20/2013 0731 PM

Wentzville, St Charles County.

Hail e0.25 inch, reported by trained spotter.






05/20/2013 0723 PM

Wentzville, St Charles County.

Hail e0.50 inch, reported by amateur radio.






05/20/2013 0315 am

Defiance, St Charles County.

Thunderstorm wind damage, reported by broadcast media.


            Several trees down near intersection of Highway 94 and
            Highway dd near Defiance.





05/20/2013 0333 am

Harvester, St Charles County.

Thunderstorm wind gust m51 mph, reported by NWS employee.




View All U.S. Severe Weather
Public Information Statement
Mobile & Email Alerts Statement as of 8:25 PM CDT on May 21, 2013

... Damage survey results for Hannibal... Missouri

* maximum ef-scale rating: EF-1

* fatalities: 0

* injuries: 0

* begin time/location: 05/20/2013... 724 PM CDT... 39.6938/-91.4486


* end time/location: 05/20/2013... 726 PM... 39.7036/-91.4309

* maximum estimated wind speed: 90 mph

* path length: 1.15 miles

* maximum path width: 50 yards

* discussion/damage: a small tornado damaged trees and one
structure just southwest of Hannibal... about a mile south of
Hannibal regional medical center. The tornado first damaged
trees at the intersection of County roads 437 and 418. The
tornado moved northeast and caused its most intense damage... low
end EF-1... at the intersection of County Highway 418 and 437. In
this area several large trees were either uprooted or snapped
halfway up the trunk. The tornado moved northeast to Highway mm
where it tore about one-quarter of the tin roofing off a farm
building and damaged some trees. The tornado dissipated as it
crossed Highway mm

The thunderstorm continued east northeast and caused considerable
wind damage in Hannibal. The damage area was roughly from Highway
mm north to Hannibal/La Grange College. One building at the
College had a portion of its roof torn off. Numerous trees were
uprooted or snapped along Palmyra Road/mark Twain Avenue. A three
story brick building in downtown Hannibal on Main Street had a
wall collapse and about half of its roof torn off. Wind gusts in
this area were likely around 100 mph. Tree damage was common west
of the downtown area to Highway 61 and then west of 61 along West
Ely. The subdivisions around Pioneer Lake and Apollo Lake had
numerous large trees branches down. One home near Apollo Lake had
windows broken by flying debris. A small building lost part of its
roof on the south side of Hannibal near Highway 61 and Market street.

This preliminary information was determined by a National Weather
Service survey team and is subject to change pending final review
of the event and publication in National Weather Service storm
data.

This information can also be found on our website at
www.Weather.Gov/lsx. More information will be available at
a later date when surveys have been completed.

For reference... the Enhanced Fujita scale classifies tornadoes
into the following categories:

EF0... wind speeds 65 to 85 mph
EF1... wind speeds 86 to 110 mph
EF2... wind speeds 111 to 135 mph
EF3... wind speeds 136 to 165 mph
EF4... wind speeds 166 to 200 mph
EF5... wind speeds greater than 200 mph


View All U.S. Severe Weather