Stillwater, OK

5:32 PM CDT on May 21, 2013 (GMT -0500)
Elev: 883 ft
Lon: 97.1° W
Lat: 36.1° N
Source
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Oklahoma Tornado: More coverage on Catastrophic Tornado in Oklahoma
News
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
May 21, 2013
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
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Multiple Children Dead at Okla. School
May 21, 2013
More than a dozen children are dead in the devastating Moore, Okla. tornado.
Twitter Responds With Prayers for Oklahoma Tornado Victims
May 21, 2013
Twitter responds to the devastation brought by tornadoes Monday in suburban Oklahoma City, offering condolences and prayers for the victims and survivors.
In Their Words: The Oklahoma Tornado Tragedy
May 21, 2013
Our reporters were among the first national media to report from Moore, Okla. shortly after a powerful tornado decimated the town. These are their thoughts as they report from the scene.
Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
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

Stillwater Weather at a Glance

Updated 5:30 PM CDT
Elevation
935 ft
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Now
Clear
Clear
Temperature
65.2 °F
Feels Like 65.2 °F
Wind(mph)
1.0
Sunrise / Set
6:17 AM
8:32 PM
Moon
Waxing Gibbous
Tonight
Partly Cloudy 54 °F
Partly Cloudy
Tomorrow
Partly Cloudy 84 °F
Partly Cloudy
Tomorrow Night
Partly Cloudy 59 °F
Partly Cloudy
20% chance of precipitation
Thursday
Chance of a Thunderstorm 79 | 59 °F
Chance of a Thunderstorm
20% chance of precipitation
Friday
Chance of a Thunderstorm 79 | 59 °F
Chance of T-storms
50% chance of precipitation
Saturday
Chance of a Thunderstorm 81 | 64 °F
Chance of T-storms
40% chance of precipitation
Tomorrow is forecast to be Warmer than today.
Conditions
Pressure
29.77 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
80%
Rainfall
0.15 in
Snow Depth
Not available.
METAR
METAR KSWO 212153Z 29006KT 10SM CLR 18/15 A2979 RMK AO2 SLP079 T01830150
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
65.2 °F
59,59,62,61,63,62,63,65,63,61,60,59,60
Dew Point
59 °F
Wind
Speed / Dir
1.0 mph from NNW
Wind Gust
1.0 mph
Health
UV
2.2 out of 16
Pollen
5.60 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_partlycloudy Partly cloudy. Low of 54F. Winds from the SSW at 5 to 10 mph.
Wednesday
partlycloudy Partly cloudy. High of 84F. Winds from the NW at 5 to 10 mph shifting to the SSW in the afternoon.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain after midnight. Low of 59F. Winds from the East at 5 to 15 mph. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Breezy. Winds from the East at 10 to 20 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain after midnight. Low of 59F. Winds from the NNW at 5 to 15 mph shifting to the ENE after midnight. Chance of rain 30%.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the morning, then overcast with a chance of a thunderstorm and rain. High of 79F. Winds from the East at 5 to 15 mph. Chance of rain 50%.
Friday Night
nt_partlycloudy Overcast. Low of 59F. Winds from the SE at 5 to 10 mph.
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 81F. Winds from the SSE at 10 to 15 mph. Chance of rain 40%.
Saturday Night
nt_cloudy Overcast. Low of 64F. Winds from the SSE at 10 to 15 mph.
Sunday
partlycloudy Partly cloudy. High of 86F. Breezy. Winds from the South at 10 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the South at 10 to 15 mph.
Monday
partlycloudy Partly cloudy. High of 86F. Breezy. Winds from the South at 15 to 20 mph.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 66F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 81F. Breezy. Winds from the South at 15 to 20 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSE at 10 to 15 mph.
Wednesday
mostlycloudy Mostly cloudy. High of 82F. Winds from the South at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 68F. Winds from the South at 10 to 15 mph.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 88F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Friday
partlycloudy Partly cloudy. High of 88F. Winds from the SSW at 10 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 66F. Winds from the South at 5 to 10 mph.
Saturday
partlycloudy Clear. High of 82F. Winds from the South at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 66F. Breezy. Winds from the South at 15 to 20 mph.
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Weather Forecast for Stillwater OK

View Calendar 10-Day Forecast for station KOKSTILL4

Tuesday, 21
Chance of a Thunderstorm
77 | 54 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 22
Partly Cloudy
84 | 59 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 23
Chance of a Thunderstorm
79 | 59 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Friday, 24
Chance of a Thunderstorm
79 | 59 °F
Chance of T-storms
Chance of
Precipitation
50%
Saturday, 25
Chance of a Thunderstorm
81 | 64 °F
Chance of T-storms
Chance of
Precipitation
40%
Sunday, 26
Partly Cloudy
86 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
86 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of a Thunderstorm
81 | 68 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 29
Mostly Cloudy
82 | 68 °F
Mostly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Chance of a Thunderstorm
88 | 68 °F
Chance of T-storms
Chance of
Precipitation
40%
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 71 | 55 64 | 56 59 | 54
Wind 8 mph North 7 mph NNE 5 mph ESE 7 mph South
Humidity 78% 59% 76% 84%
Chance of Precip. 50% 40% 40% 10%
Cloud Cover 49% 70% 71% 28%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
6:17 AM
8:32 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.12], Average RMSE [3.14]
The National Weather Service forecast quality is good. MaxT RMSE [2.30], Average RMSE [2.00] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 84F. Winds from the NW at 5 to 10 mph shifting to the SSW in the afternoon.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain after midnight. Low of 59F. Winds from the East at 5 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 52 72 | 55 81 | 56 67 | 58
Wind 6 mph WSW 3 mph NNW 7 mph South 7 mph East
Humidity 82% 53% 42% 72%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 31% 31% 26% 28%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:17 AM
8:33 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.55], Average RMSE [2.18]
The National Weather Service forecast quality is fair. MaxT RMSE [2.86], Average RMSE [2.28] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Breezy. Winds from the East at 10 to 20 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain after midnight. Low of 59F. Winds from the NNW at 5 to 15 mph shifting to the ENE after midnight. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 55 64 | 58 75 | 60 63 | 58
Wind 14 mph ENE 11 mph East 9 mph East 10 mph ENE
Humidity 82% 81% 58% 85%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 52% 68% 50% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Overcast
Sunrise & Sunset
6:16 AM
8:33 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.61], Average RMSE [2.28]
The National Weather Service forecast quality is fair. MaxT RMSE [3.35], Average RMSE [3.28] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the morning, then overcast with a chance of a thunderstorm and rain. High of 79F. Winds from the East at 5 to 15 mph. Chance of rain 50%.
Friday Night
nt_partlycloudy Overcast. Low of 59F. Winds from the SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 55 71 | 61 78 | 65 74 | 63
Wind 10 mph NE 10 mph East 8 mph ESE 8 mph ESE
Humidity 82% 66% 63% 67%
Chance of Precip. 30% 20% 20% 10%
Cloud Cover 61% 16% 100% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Overcast
Sunrise & Sunset
6:16 AM
8:34 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.26], Average RMSE [3.09]
The National Weather Service forecast quality is poor. MaxT RMSE [4.33], Average RMSE [3.75] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 81F. Winds from the SSE at 10 to 15 mph. Chance of rain 40%.
Saturday Night
nt_cloudy Overcast. Low of 64F. Winds from the SSE at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 60 81 | 66 79 | 69 68 | 67
Wind 10 mph SE 13 mph SSE 12 mph South 12 mph SSE
Humidity 90% 61% 72% 96%
Chance of Precip. 10% 20% 10% 10%
Cloud Cover 3% 81% 99% 99%
Conditions Clear Chance of a Thunderstorm Overcast Overcast
Sunrise & Sunset
6:15 AM
8:35 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.65], Average RMSE [3.22]
The National Weather Service forecast quality is poor. MaxT RMSE [4.62], Average RMSE [4.25] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 86F. Breezy. Winds from the South at 10 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 65 80 | 63 83 | 67 71 | 64
Wind 11 mph South 15 mph South 13 mph South 12 mph South
Humidity 97% 56% 58% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 98% 41% 47% 54%
Conditions Overcast Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:15 AM
8:36 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.75], Average RMSE [3.92]
The National Weather Service forecast quality is poor. MaxT RMSE [5.00], Average RMSE [4.18] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 86F. Breezy. Winds from the South at 15 to 20 mph.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 66F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 62 80 | 64 84 | 67 73 | 67
Wind 14 mph South 16 mph South 14 mph South 13 mph SSE
Humidity 76% 56% 58% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 55% 26% 19% 54%
Conditions Partly Cloudy Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
6:14 AM
8:36 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.66], Average RMSE [4.45]
The National Weather Service forecast quality is poor. MaxT RMSE [5.34], Average RMSE [4.52] : Use NWS
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 81F. Breezy. Winds from the South at 15 to 20 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSE at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 64 78 | 66 79 | 66 72 | 64
Wind 12 mph South 15 mph South 15 mph SSE 11 mph SSE
Humidity 89% 65% 66% 77%
Chance of Precip. 10% 20% 10% 0%
Cloud Cover 95% 31% 50% 19%
Conditions Overcast Chance of a Thunderstorm Partly Cloudy Clear
Sunrise & Sunset
6:14 AM
8:37 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.09], Average RMSE [4.33]
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
mostlycloudy Mostly cloudy. High of 82F. Winds from the South at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 68F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 79 | 65 80 | 66 71 | 66
Wind 10 mph South 15 mph South 13 mph South 13 mph South
Humidity 88% 63% 62% 83%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 33% 61% 75% 81%
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
6:13 AM
8:38 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.76], Average RMSE [5.30]
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 88F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 64 78 | 66 78 | 67 71 | 67
Wind 12 mph South 14 mph South 11 mph South 12 mph South
Humidity 88% 65% 69% 87%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 80% 77% 73% 55%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
6:13 AM
8:38 PM
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 88F. Winds from the SSW at 10 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 66F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 66 78 | 68 84 | 70 70 | 69
Wind 10 mph South 11 mph SSW 8 mph South 8 mph South
Humidity 94% 69% 62% 95%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 23% 19% 44% 44%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 3:44 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
partlycloudy Clear. High of 82F. Winds from the South at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 66F. Breezy. Winds from the South at 15 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 67 80 | 69 80 | 71 76 | 70
Wind 7 mph South 9 mph SSW 7 mph South 16 mph SSE
Humidity 100% 69% 73% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 18% % % %
Conditions Fog Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Record Report,  Public Information Statement  (US Severe Weather)
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KSWO) 78 °F 56 °F
Record (KSWO) 95 °F (2005) 48 °F (2001)
Yesterday 84.5 °F 69.0 °F
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Harrah, Oklahoma 38 miles 2.6 5:54 AM CDT
2013-05-15
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
May. 21, 2013 Rise Set
Actual Time 6:17 AM CDT 8:32 PM CDT
Civil Twilight 5:48 AM CDT 9:01 PM CDT
Nautical Twilight 5:13 AM CDT 9:37 PM CDT
Astronomical Twilight 4:34 AM CDT 10:16 PM CDT
Moon 4:53 PM CDT 3:39 AM CDT
Length Of Visible Light 15h 12m
Length of Day
14h 14m
Tomorrow will be 1m 22s longer.
Waxing Gibbous, 86% 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
78 °F
Guymon
77 °F
Altus
75 °F
Frederick
75 °F
Altus AFB
75 °F
Durant
51 °F
Woodward
53 °F
Ada
53 °F
Alva
54 °F
Gage
55 °F
Guymon
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
Stillwater 65 °F Clear 4:53 PM CDT
Cushing 59 °F Clear 5:15 PM CDT
Guthrie 65 °F Clear 4:53 PM CDT
Chandler 63 °F Clear 5:15 PM CDT
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Flight To ETA Status
No flights were found.
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Type Condition
Flight Rule: VFR (KSWO)
Wind Speed: 6.0 kts.
Wind Dir: 338° (NNW)
Ceiling: Unlimited

METAR KSWO 212153Z 29006KT 10SM CLR 18/15 A2979 RMK AO2 SLP079 T01830150

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Nearby Events
Event Date Forecast
Speed Dating for all Ages 7:00 PM CDT
2013-04-17		 Thunderstorm, 73°F
The Moai Broadcast 10:00 PM CDT
2013-04-19		 Clear, 48°F
Event data courtesy eviesays.com
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Stillwater, East Side, Stillwater, OK 65.2 °F 59 °F 80% NNW  at  1.0 mph 0.00 in / hr 935 ft 5:30 PM CDT Normal
West of Stillwater, Stillwater, OK 69.6 °F 59 °F 70% West  at  2.7 mph 0.00 in / hr 1004 ft 5:30 PM CDT Normal  
Western Heights, Yale, OK 61.0 °F 60 °F 95% West  at  6.0 mph 0.00 in / hr 886 ft 5:30 PM CDT Normal
Near Antelope Creek, Guthrie, OK 57.6 °F 55 °F 92% ENE  at  5.0 mph 0.06 in / hr 1109 ft 2:05 PM CDT Normal  
NE of town, Guthrie, OK 57.6 °F 55 °F 92% ENE  at  1.0 mph 0.13 in / hr 1115 ft 2:08 PM CDT Rapid Fire  
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Record Report
Mobile & Email Alerts Statement as of 8:33 PM CDT on May 20, 2013

... Record daily maximum rainfall broken at Oklahoma City...

The record precipitation at Oklahoma City for may 20 was 2.74
inches... which was set back in 1979. So far today at Will Rogers
World Airport... 2.82 inches of rainfall has fallen... which has
broken the record for this date.

Weather records for Oklahoma City date back to November of 1890.


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Public Information Statement
Mobile & Email Alerts Statement as of 2:50 PM CDT on May 21, 2013

... NWS damage survey for 5/20/2013 Newcastle/Moore tornado event -
update 3...

... NWS damage survey has now rated the Newcastle/Moore tornado as EF5...

.Overview...

The National Weather Service dispatched four damage survey teams to
the path of the Newcastle/Moore OK tornado. New statements will be
issued throughout the day as these teams report findings. This
information remains preliminary and the information here could
change.

.Newcastle/Moore tornado

rating: EF5
estimated peak wind: 200-210 mph
path length /statute/: 17 miles
path width /maximum/: 1.3 miles
fatalities: N/A
injuries: N/A

Start date: may 20 2013
start time: 2:45 PM CDT
start location: 4.4 W Newcastle /Grady County /OK
start lat/lon: 35.2580 / -97.6775

End date: may 20 2013
end time: 3:35 PM CDT
end location: 4.8 E of Moore OK /Cleveland County /OK
end lat/lon: 35.3409 / -97.4007

survey summary: experts surveying in Moore have determined damage is
EF5 with maximum winds over 200 mph. Four survey teams continue to
inspect damage from this long track tornado. Initial damage was
found around 4.4 miles west of Newcastle... south of Tecumseh Road
also known as NW 16th street and East Lake Road. The tornado tracked
NE to the Interstate 44 bridge over the Canadian river and then took
a more eastward track through Moore. Tornado damage abruptly ends
0.3 miles east of air depot Road and N of se 134th St.

Initially producing EF0 and EF1 damage the storm intensified very
rapidly in 4 miles or around 10 minutes producing EF4 damage before
reaching Interstate 44. Numerous indications of EF4 damage with some
areas now determined at EF5 damage... the highest category on the ef
scale... with over 200 mph winds.

Additional information such as maximum path width will be updated
as the teams complete their surveys.


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