Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 66°F (19°C)
Visibility 3.00 mi
Last update 13 Aug 6:35 am CDT
Extended Forecast for

Grant Park IL

  • Today

    Today: A chance of sprinkles after 1pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 84. Light northwest wind becoming north 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. North northeast wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Light northwest wind becoming north 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. North northeast wind around 5 mph.
Thursday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers. Mostly sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Grant Park IL
 41.24°N 87.63°W
5:41 am CDT Aug 13, 2025
6am CDT Aug 13, 2025-6pm CDT Aug 19, 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