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

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fair

57°F

14°C

Humidity 77%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 12:55 am CDT
Extended Forecast for

Brook IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming north northeast around 5 mph.

    High: 79 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. East wind around 5 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming north northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 57. Calm wind.
Columbus Day
Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 69. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of showers before 1pm. Sunny, with a high near 85.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
A chance of showers. Mostly cloudy, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brook IN
 40.86°N 87.37°W
Last Update:
11:26 pm CDT Oct 10, 2026
Forecast Valid:
1am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation