Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

76°F

24°C

Humidity	82%
Wind Speed	S 8 mph
Barometer	29.92 in (1012.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	9 Aug 9:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Chicago IL

Flood Watch August 9, 10:54pm until August 10, 07:00am

Severe T-storm Watch until August 10, 04:00am

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Flood Watch August 9, 10:54pm until August 10, 07:00am
Severe T-storm Watch until August 10, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 72 °F
Severe
Thunderstorms
Monday
High: 82 °F
Slight Chance
T-storms then
Chance
T-storms
Monday Night
Low: 70 °F
T-storms
Likely
Tuesday
High: 83 °F
T-storms
Likely then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 82 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 68 °F
Slight Chance
T-storms
Thursday
High: 78 °F
Partly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before 4am. Some of the storms could be severe and produce heavy rainfall. Low around 72. South southeast wind 5 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 82. Northeast wind around 5 mph becoming west southwest in the morning.

Monday Night

Showers and thunderstorms likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 70. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers and thunderstorms likely before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 83. East southeast wind around 5 mph becoming south in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East northeast wind around 5 mph becoming west after midnight. Chance of precipitation is 70%.

Wednesday

A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Chance of precipitation is 50%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.

Thursday

Partly sunny, with a high near 78.

Thursday Night

Mostly cloudy, with a low around 65.

Friday

Partly sunny, with a high near 74.

Friday Night

A chance of showers. Mostly cloudy, with a low around 64.