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.

Overcast

59°F

15°C

Humidity 54%
Wind Speed S 8 mph
Barometer 29.92 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 11:55 am CDT
Extended Forecast for

Onarga IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a temperature rising to near 61 by 9am, then falling to around 48 during the remainder of the day. Breezy, with a west wind 10 to 15 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 61 °F⇓

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Slight Chance
    Showers and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. North wind around 10 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a temperature rising to near 61 by 9am, then falling to around 48 during the remainder of the day. Breezy, with a west wind 10 to 15 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 49. North wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 71.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onarga IL
 40.71°N 88.02°W
Last Update:
12:01 pm CDT Mar 21, 2026
Forecast Valid:
12pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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