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

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Overcast

50°F

10°C

Humidity 53%
Wind Speed NE 5 mph
Barometer 30.04 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 1 May 5:55 pm CDT
Extended Forecast for

Brook IN

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming light east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Northeast wind 5 to 10 mph becoming north northwest in the morning.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. North northeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 63. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 47. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 7pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming light east northeast after midnight. Winds could gust as high as 15 mph.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Northeast wind 5 to 10 mph becoming north northwest in the morning.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. North northeast wind 5 to 10 mph becoming south southwest after midnight.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 63. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 47. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 64.
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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:
2:41 pm CDT May 1, 2026
Forecast Valid:
6pm CDT May 1, 2026-6pm CDT May 8, 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