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-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

A Few Clouds

90°F

32°C

Humidity	58%
Wind Speed	SW 18 G 38 mph
Barometer	29.81 in (1008.7 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	21 Jun 7:51 pm CDT

More Information:

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

Extended Forecast for

Evanston IL

Extreme Heat Warning June 21, 08:38pm until June 24, 12:00am

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 21, 08:38pm until June 24, 12:00am
NOW until 12:00am Tue
Extreme Heat Warning
Tonight
Low: 78 °F
Clear and
Breezy then
Clear
Sunday
High: 95 °F
Hot
Sunday Night
Low: 78 °F
Clear
Monday
High: 96 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 82 °F
Chance
T-storms
Tuesday Night
Low: 69 °F
Chance
T-storms
Wednesday
High: 77 °F
T-storms
Likely

Detailed Forecast

Tonight

Clear, with a low around 78. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday

Sunny and hot, with a high near 95. Heat index values as high as 103. South southwest wind around 15 mph, with gusts as high as 30 mph.

Sunday Night

Clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday

Sunny and hot, with a high near 96. Heat index values as high as 101. 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. Partly cloudy, with a low around 74. Southwest wind 5 to 15 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 82.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 77.

Wednesday Night

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

Thursday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 70.