Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds and Breezy

92°F

33°C

Humidity	52%
Wind Speed	SW 21 G 41 mph
Barometer	29.81 in (1008.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	21 Jun 6:53 pm CDT

More Information:

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

Extended Forecast for

Chicago IL

Extreme Heat Warning June 21, 07:47pm until June 24, 12:00am

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 21, 07:47pm until June 24, 12:00am
NOW until 12:00am Tue
Extreme Heat Warning
Tonight
Low: 80 °F
Mostly Clear
and Breezy
then Clear
Sunday
High: 96 °F
Hot
Sunday Night
Low: 79 °F
Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 92 °F
Chance
T-storms
Tuesday Night
Low: 70 °F
Chance
T-storms
Wednesday
High: 85 °F
T-storms
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 80. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Sunday

Sunny and hot, with a high near 96. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Sunday Night

Clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday

Sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Thursday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71.