National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fair

87°F

31°C

Humidity 60%
Wind Speed S 6 mph
Barometer 30.03 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 8 Aug 5:55 pm CDT
Extended Forecast for

Irwin ILSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 91. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of showers. Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin ILSimilar City Names
 41.06°N 88°W
Last Update:
4:11 pm CDT Aug 8, 2025
Forecast Valid:
6pm CDT Aug 8, 2025-6pm CDT Aug 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation