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 >

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 Index99°F (37°C)
Last update 21 Jun 7:51 pm CDT
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

    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.

    High: 95 °F

    Hot

  • Sunday Night

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

    Low: 78 °F

    Clear

  • Monday

    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.

    High: 96 °F

    Hot

  • Monday Night

    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.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

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

    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.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Evanston IL
 42.03°N 87.69°W
6:06 pm CDT Jun 21, 2025
8pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
 
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Additional Resources

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