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

67°F

19°C

Humidity 63%
Wind Speed N 13 mph
Barometer 30.10 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Oct 4:15 pm CDT
Extended Forecast for

Onarga IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 1pm. High near 67. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 51. South southeast wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 56 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy, with a north northwest wind 10 to 20 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph.
Thursday
Showers, with thunderstorms also possible after 1pm. High near 67. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. South southeast wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 37. Breezy, with a north northwest wind 10 to 20 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 59.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 76.
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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:
3:56 pm CDT Oct 14, 2026
Forecast Valid:
4pm CDT Oct 14, 2026-6pm CDT Oct 21, 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