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

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fair

74°F

23°C

Humidity 77%
Wind Speed S 10 G 18 mph
Barometer 29.95 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Jun 12:15 am CDT
Extended Forecast for

Grant Park IL

Heat Advisory June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 35 mph.

    Low: 76 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

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

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Saturday Night
Clear, with a low around 76. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 35 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Grant Park IL
 41.24°N 87.63°W
10:07 pm CDT Jun 20, 2025
12am CDT Jun 21, 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

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