Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. 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. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

86°F

30°C

Humidity 43%
Wind Speed SW 14 G 24 mph
Barometer 29.89 in (1011.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Jun 4:52 pm CDT
Extended Forecast for

2 Miles ENE Mount Prospect IL

Extreme Heat Warning June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Partly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 96 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 79 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 104. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 79. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 79. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 104. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 79. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 98.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Mount Prospect IL
 42.06°N 87.9°W
3:12 pm CDT Jun 20, 2025
5pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database