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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Onarga IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 13. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 23. East northeast wind around 5 mph becoming south in the afternoon.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 26 during the remainder of the night. South southwest wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 15 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Cloudy, with a low around 33. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 30%.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 13. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 23. East northeast wind around 5 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 26 during the remainder of the night. South southwest wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 33. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onarga IL
 40.71°N 88.02°W
Last Update:
5:17 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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