Chicago, IL

5:11 PM CDT on May 21, 2013 (GMT -0500)
Elev: 617 ft
Lon: 87.6° W
Lat: 41.8° N
Source
Rapid Fire Updates™
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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

Chicago Weather at a Glance

Updated 5:11 PM CDT
Elevation
594 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
81.3 °F
Feels Like 82 °F
Wind(mph)
10.1
Sunrise / Set
5:25 AM
8:09 PM
Moon
Waxing Gibbous
Tonight
Thunderstorm 64 °F
T-storms
70% chance of precipitation
Tomorrow
Thunderstorm 73 °F
T-storms
60% chance of precipitation
Tomorrow Night
Rain Showers 52 °F
Rain Showers
60% chance of precipitation
Thursday
Chance of Rain 61 | 46 °F
Chance of Rain
40% chance of precipitation
Friday
Partly Cloudy 61 | 45 °F
Partly Cloudy
Saturday
Mostly Cloudy 63 | 52 °F
Mostly Cloudy
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.67 in
Visibility
10.0 miles
Clouds
Mostly Cloudy 4600 ft
Mostly Cloudy 25000 ft
Moisture
Humidity
48%
Rainfall
0.33 in
Snow Depth
Not available.
METAR
METAR KMDW 212151Z 20018G22KT 10SM BKN046 BKN250 27/16 A2969 RMK AO2 PK WND 20026/2129 SLP046 T02720161 $
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
82 °F
Dew Point
60 °F
Wind
Speed / Dir
10.1 mph from SSW
Wind Gust
11.0 mph
Health
UV
2 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with a chance of a thunderstorm and a chance of rain, then thunderstorms and rain showers after midnight. Low of 64F. Winds from the SW at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Wednesday
tstorms Overcast with thunderstorms and rain showers, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 73F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_rain Overcast with rain showers. Low of 52F. Winds from the NNW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Thursday
chancerain Overcast with a chance of rain. High of 61F. Windy. Winds from the North at 15 to 25 mph with gusts to 35 mph. Chance of rain 40%.
Thursday Night
nt_clear Partly cloudy in the evening, then clear. Low of 46F. Breezy. Winds from the North at 10 to 20 mph.
Friday
partlycloudy Partly cloudy in the morning, then clear. High of 61F. Winds from the NNE at 10 to 15 mph.
Friday Night
nt_mostlycloudy Overcast. Low of 45F. Winds from the NE at 5 to 10 mph.
Saturday
mostlycloudy Mostly cloudy in the morning, then overcast. High of 63F. Winds less than 5 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy. Low of 52F. Winds from the East at 5 to 10 mph.
Sunday
chancerain Mostly cloudy with a chance of rain. High of 64F. Winds from the ESE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.6 in. possible.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the ESE at 5 to 10 mph.
Monday
partlycloudy Partly cloudy. High of 70F. Winds from the ESE at 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the ESE at 10 to 15 mph.
Tuesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 79F. Winds from the SSE at 10 to 15 mph. Chance of rain 50%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the South at 10 to 15 mph.
Wednesday
partlycloudy Partly cloudy. High of 82F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the South at 5 to 10 mph.
Thursday
partlycloudy Partly cloudy. High of 84F. Winds from the SSW at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the SSW at 5 to 10 mph.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds from the South at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Saturday
chancetstorms Clear with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 30%.
Saturday Night
nt_clear Clear. Low of 64F. Winds from the SSW at 10 to 15 mph.
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Weather Forecast for Chicago IL

View Calendar 10-Day Forecast for station KILCHICA30

Tuesday, 21
Thunderstorm
86 | 64 °F
T-storms
Chance of
Precipitation
40%
Wednesday, 22
Thunderstorm
73 | 52 °F
T-storms
Chance of
Precipitation
60%
Thursday, 23
Chance of Rain
61 | 46 °F
Chance of Rain
Chance of
Precipitation
40%
Friday, 24
Partly Cloudy
61 | 45 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 25
Mostly Cloudy
63 | 52 °F
Mostly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Chance of Rain
64 | 54 °F
Chance of Rain
Chance of
Precipitation
70%
Monday, 27
Partly Cloudy
70 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of a Thunderstorm
79 | 66 °F
Chance of T-storms
Chance of
Precipitation
50%
Wednesday, 29
Partly Cloudy
82 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
84 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with a chance of a thunderstorm and a chance of rain, then thunderstorms and rain showers after midnight. Low of 64F. Winds from the SW at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 79 | 63 77 | 61 75 | 59 70 | 59
Wind 12 mph South 16 mph SSW 13 mph SW 5 mph SW
Humidity 55% 55% 56% 69%
Chance of Precip. 90% 40% 40% 60%
Cloud Cover 83% 69% 56% 71%
Conditions Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:25 AM
8:09 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.66], Average RMSE [2.34]
The National Weather Service forecast quality is fair. MaxT RMSE [2.87], Average RMSE [1.56] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
tstorms Overcast with thunderstorms and rain showers, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 73F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_rain Overcast with rain showers. Low of 52F. Winds from the NNW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 59 71 | 58 63 | 54 58 | 51
Wind 3 mph South 3 mph SSW 5 mph NW 7 mph North
Humidity 74% 66% 73% 77%
Chance of Precip. 70% 60% 60% 60%
Cloud Cover 91% 89% 82% 85%
Conditions Thunderstorm Thunderstorm Chance of a Thunderstorm Rain Showers
Sunrise & Sunset
5:24 AM
8:10 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.38], Average RMSE [3.95]
The National Weather Service forecast quality is fair. MaxT RMSE [3.43], Average RMSE [3.07] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
chancerain Overcast with a chance of rain. High of 61F. Windy. Winds from the North at 15 to 25 mph with gusts to 35 mph. Chance of rain 40%.
Thursday Night
nt_clear Partly cloudy in the evening, then clear. Low of 46F. Breezy. Winds from the North at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 49 50 | 47 50 | 47 46 | 35
Wind 12 mph NNW 22 mph North 19 mph North 15 mph North
Humidity 77% 91% 86% 64%
Chance of Precip. 60% 50% 40% 10%
Cloud Cover 93% 85% 51% 0%
Conditions Rain Showers Chance of Rain Chance of Rain Clear
Sunrise & Sunset
5:23 AM
8:11 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.62], Average RMSE [3.71]
The National Weather Service forecast quality is poor. MaxT RMSE [3.72], Average RMSE [3.27] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy in the morning, then clear. High of 61F. Winds from the NNE at 10 to 15 mph.
Friday Night
nt_mostlycloudy Overcast. Low of 45F. Winds from the NE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 37 58 | 37 55 | 37 49 | 31
Wind 13 mph North 11 mph North 7 mph NE 3 mph NNE
Humidity 57% 45% 50% 50%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 63% 0% 100%
Conditions Clear Partly Cloudy Clear Overcast
Sunrise & Sunset
5:22 AM
8:12 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.97], Average RMSE [2.86]
The National Weather Service forecast quality is poor. MaxT RMSE [3.77], Average RMSE [3.71] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
mostlycloudy Mostly cloudy in the morning, then overcast. High of 63F. Winds less than 5 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy. Low of 52F. Winds from the East at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 33 59 | 40 58 | 43 54 | 46
Wind 4 mph ENE 5 mph ESE 7 mph ENE 7 mph ESE
Humidity 54% 49% 58% 70%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 90% 78% 98% 94%
Conditions Overcast Mostly Cloudy Overcast Overcast
Sunrise & Sunset
5:22 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.34], Average RMSE [4.00]
The National Weather Service forecast quality is poor. MaxT RMSE [4.33], Average RMSE [4.46] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Sunday
chancerain Mostly cloudy with a chance of rain. High of 64F. Winds from the ESE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.6 in. possible.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the ESE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 45 64 | 46 63 | 47 55 | 47
Wind 9 mph ESE 10 mph East 8 mph SE 8 mph ESE
Humidity 67% 52% 56% 74%
Chance of Precip. 10% 40% 20% 10%
Cloud Cover 63% 100% 36% 99%
Conditions Partly Cloudy Chance of Rain Chance of Rain Overcast
Sunrise & Sunset
5:21 AM
8:14 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.44], Average RMSE [4.72]
The National Weather Service forecast quality is poor. MaxT RMSE [4.94], Average RMSE [4.64] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 70F. Winds from the ESE at 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the ESE at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 46 67 | 51 67 | 54 57 | 54
Wind 10 mph East 10 mph ESE 8 mph East 10 mph ESE
Humidity 59% 55% 63% 91%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 30% 91% 96% 27%
Conditions Partly Cloudy Overcast Overcast Partly Cloudy
Sunrise & Sunset
5:20 AM
8:15 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.25], Average RMSE [4.22]
The National Weather Service forecast quality is poor. MaxT RMSE [6.10], Average RMSE [4.91] : Use NWS
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 79F. Winds from the SSE at 10 to 15 mph. Chance of rain 50%.
Tuesday 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 67 | 55 71 | 62 73 | 64 69 | 63
Wind 10 mph SE 10 mph SE 9 mph SSE 11 mph South
Humidity 67% 71% 75% 78%
Chance of Precip. 10% 30% 20% 10%
Cloud Cover 95% 98% 70% 63%
Conditions Overcast Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:20 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.02], Average RMSE [7.00]
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 82F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 61 75 | 64 71 | 67 71 | 66
Wind 12 mph SSW 10 mph SSW 8 mph SSW 9 mph South
Humidity 74% 68% 91% 84%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 40% 48% 47% 44%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.19], Average RMSE [6.34]
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 84F. Winds from the SSW at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 63 76 | 64 71 | 67 71 | 66
Wind 8 mph South 10 mph SSW 8 mph SSW 8 mph SSW
Humidity 73% 66% 88% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 38% 38% 44% 38%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:17 PM
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds from the South at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 64 75 | 65 69 | 67 70 | 66
Wind 7 mph SSW 8 mph SSW 5 mph SSW 6 mph South
Humidity 74% 70% 94% 90%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 22% 20% 33% 44%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 3:39 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
chancetstorms Clear with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 30%.
Saturday Night
nt_clear Clear. Low of 64F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 78 | 67 71 | 68 72 | 68
Wind 5 mph SSW 5 mph SW 3 mph SW 13 mph South
Humidity 84% 68% 92% 87%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 52% % % %
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Local Storm Report  (US Severe Weather)
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KMDW) 72 °F 53 °F
Record (KMDW) 94 °F (1934) 34 °F (2002)
Yesterday 92 °F 65 °F
Yesterday's Cooling Degree Days: 14
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
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Moderate
OZONE
Yesterday Moderate
PM2.5
Current Moderate
PM2.5
Current Good
OZONE
Tuesday Moderate
PM2.5
Wednesday Good
OZONE
Thursday Good
OZONE
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Marine Forecast
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:25 AM CDT 8:09 PM CDT
Civil Twilight 4:52 AM CDT 8:42 PM CDT
Nautical Twilight 4:11 AM CDT 9:23 PM CDT
Astronomical Twilight 3:25 AM CDT 10:10 PM CDT
Moon 4:20 PM CDT 2:56 AM CDT
Length Of Visible Light 15h 49m
Length of Day
14h 44m
Tomorrow will be 1m 43s 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
86 °F
Danville
83 °F
Robinson
83 °F
Paris
82 °F
Olney-Noble
82 °F
Lincoln
60 °F
Taylorville
60 °F
Galesburg
60 °F
Savanna
61 °F
Litchfield
61 °F
Rochelle
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
Chicago Midway 81 °F Mostly Cloudy 4:51 PM CDT
Gary 82 °F Mostly Cloudy 4:45 PM CDT
Chicago Lansing 80 °F Mostly Cloudy 4:55 PM CDT
Chicago 79 °F Mostly Cloudy 4:51 PM CDT
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SWA8547
Cleveland, OH 		KMDW 05:01PM On Time
SWA481
Reno, NV 		KMDW 05:04PM On Time
SWA2852
Rochester, NY 		KMDW 05:07PM On Time
SWA1960
Charleston, SC 		KMDW 05:12PM On Time
GJS3707
Boise, ID 		KORD 05:04PM On Time
GJS3640
Austin, TX 		KORD 05:06PM On Time
EGF3784
San Antonio, TX 		KORD 05:06PM On Time
GJS3668
St Louis, MO 		KORD 05:09PM On Time
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Type Condition
Flight Rule: VFR (KMDW)
Wind Speed: 18.0 kts.
Wind Dir: 201° (SSW)
Ceiling: 4600 ft

METAR KMDW 212151Z 20018G22KT 10SM BKN046 BKN250 27/16 A2969 RMK AO2 PK WND 20026/2129 SLP046 T02720161 $

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Nearby Events
Event Date Forecast
Epilepsy support group 6:00 PM CDT
2013-04-15		 Rain Showers, 56°F
Stickney Ladies Auxiliary of VFW 1:00 PM CDT
2013-04-15		 Rain Showers, 61°F
Alzheimer's support group 6:00 PM CDT
2013-04-16		 Chance of Rain, 42°F
The Book of Mormon (Chicago) 7:00 PM CDT
2013-04-16		 Chance of Rain, 41°F
Big Fish (Chicago) 7:00 PM CDT
2013-04-16		 Chance of Rain, 41°F
Green Day's American Idiot (Chicago) 7:00 PM CDT
2013-04-16		 Chance of Rain, 41°F
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
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, 77 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 85 °F
View all Sports Weather
Videos
Year In Weather 2012

Watch the nearly year-long satellite animation as Weather Underground calls out the most significant weather events of the past year, including Superstorm Sandy and Hurricane Isaac.

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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
U.S. Cellular Field, Chicago, IL 81.3 °F 82 °F 60 °F 48% SSW  at  10.1 mph 0.00 in / hr 594 ft 5:11 PM CDT Rapid Fire
Midway Airport SE corner runway 13C 12/0, Chicago, IL 83.1 °F 82 °F 56 °F 40% South  at  10.0 mph 0.00 in / hr 620 ft 5:11 PM CDT Normal
Morgan Park, Chicago, IL 80.6 °F 82 °F 64 °F 58% SSW  at  8.0 mph 0.00 in / hr 616 ft 5:11 PM CDT Normal  
APRSWXNET Oak Lawn IL, Chicago, IL 80 °F 81 °F 60 °F 51% SW  at  9 mph 0.00 in / hr 620 ft 4:46 PM CDT MADIS
West Loop, Chicago, IL 80.7 °F 82 °F 63 °F 55% WSW  at  3.0 mph 0.00 in / hr 645 ft 5:11 PM CDT Normal  
Chicago, IL 79.9 °F 82 °F 64 °F 59% SE  at  0.0 mph - / hr 0 ft 5:11 PM CDT Rapid Fire  
Garfield Ridge, Chicago, IL 83.8 °F 85 °F 64 °F 51% East  at  4.5 mph 0.00 in / hr 604 ft 5:10 PM CDT Rapid Fire  
KA9UMG 91th and Mobile, Oak Lawn, IL 82.3 °F 84 °F 64 °F 55% SW  at  4.0 mph 0.00 in / hr 627 ft 5:11 PM CDT Rapid Fire
Stickney, IL, Stickney, IL 81.0 °F 82 °F 62 °F 52% SSW  at  10.0 mph 0.00 in / hr 614 ft 5:11 PM CDT Rapid Fire  
Chicago Ridge Emergency Operations Cente, Chicago Ridge, IL 81.0 °F 83 °F 64 °F 57% WSW  at  7.0 mph 0.00 in / hr 600 ft 5:10 PM CDT Rapid Fire
HADS ILLINOIS RIVER LOCK & DAM AT OBRIEN, Chicago, IL 80 °F 78 °F - - SSW  at  16 mph 0.00 in / hr 574 ft 4:00 PM CDT MADIS
George Rogers Clark High School, Whiting, IN 79.5 °F 81 °F 63 °F 59% East  at  8.7 mph 0.00 in / hr 591 ft 5:10 PM CDT Rapid Fire  
Bucktown, Chicago, IL 83.5 °F 84 °F 62 °F 48% SSW  at  3.4 mph 0.00 in / hr 600 ft 5:11 PM CDT Rapid Fire  
Lyons Police Department, Lyons, IL 80.6 °F 82 °F 63 °F 55% WSW  at  12.0 mph 0.01 in / hr 615 ft 5:11 PM CDT Rapid Fire
Oak Park, IL, Oak Park, IL 82.2 °F 83 °F 62 °F 51% SSW  at  10.0 mph 0.00 in / hr 617 ft 5:10 PM CDT Rapid Fire
Lincoln Park, Chicago, IL 77.0 °F 79 °F 60 °F 53% South  at  13.0 mph - / hr 595 ft 3:48 PM CDT Normal  
DePaul Geography, Chicago, IL 82.4 °F 84 °F 66 °F 57% SW  at  0.0 mph 0.00 in / hr 650 ft 5:09 PM CDT Rapid Fire
Lyons Illinois Weather, Lyons, IL 80.8 °F 83 °F 65 °F 58% SSW  at  4.0 mph 0.00 in / hr 620 ft 5:10 PM CDT Normal  
137th and Cicero Av., Crestwood, IL 79.6 °F 81 °F 62 °F 55% SW  at  3.0 mph 0.00 in / hr 623 ft 5:11 PM CDT Rapid Fire
South Lakeview, Chicago, IL 81.4 °F 81 °F 55 °F 40% South  at  8.0 mph 3.88 in / hr 607 ft 5:11 PM CDT Rapid Fire  
West Lakeview, Chicago, IL 80.9 °F 82 °F 61 °F 51% SW  at  15.0 mph 0.00 in / hr 636 ft 4:51 PM CDT Normal
APRSWXNET Hickory Hills IL , Hickory Hills, IL 81 °F 83 °F 65 °F 58% SW  at  11 mph 0.00 in / hr 702 ft 4:49 PM CDT MADIS
Brookfield, IL 81.4 °F 83 °F 64 °F 55% North  at  11.0 mph 0.00 in / hr 659 ft 5:00 PM CDT Normal
Palos Hills, Palos Hills, IL 80.3 °F 82 °F 65 °F 60% SW  at  6.0 mph 0.00 in / hr 712 ft 5:02 PM CDT Normal
KC9HZC, Brookfield, IL 85.5 °F 87 °F 64 °F 48% SSE  at  1.6 mph 0.00 in / hr 617 ft 5:10 PM CDT Rapid Fire  
La Grange, La Grange, IL 81.2 °F 82 °F 60 °F 49% SSE  at  2.0 mph 0.00 in / hr 650 ft 5:11 PM CDT Rapid Fire  
Wrigleyville, Chicago, IL 81.9 °F 82 °F 58 °F 45% South  at  10.0 mph 0.00 in / hr 630 ft 5:11 PM CDT Rapid Fire
151st & Central Ave., Oak Forest, IL 79.7 °F 81 °F 64 °F 58% SW  at  14.1 mph 0.00 in / hr 645 ft 5:10 PM CDT Rapid Fire  
Bishop Noll Institute, Hammond, IN 81.1 °F 82 °F 63 °F 55% NNE  at  13.8 mph 0.00 in / hr 604 ft 5:10 PM CDT Rapid Fire  
Irving Park, Chicago, IL 81.5 °F 82 °F 62 °F 51% WSW  at  7.0 mph 0.00 in / hr 600 ft 5:10 PM CDT Rapid Fire  
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Local Storm Report
Mobile & Email Alerts


05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.





05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.





05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.





05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.



View All U.S. Severe Weather