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

44°F

7°C

Humidity 37%
Wind Speed NE 14 mph
Barometer 30.42 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 23 Mar 4:15 pm CDT
Extended Forecast for

Onarga IL

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. South wind 5 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 54. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.

    Low: 33 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 45. Breezy.

    High: 45 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 26. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 56. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 70. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 54. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 45. Breezy.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onarga IL
 40.71°N 88.02°W
Last Update:
2:46 pm CDT Mar 23, 2026
Forecast Valid:
4pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation