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

41°F

5°C

Humidity 71%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Feb 7:55 pm CST
Extended Forecast for

Onarga IL

  • Tonight

    Tonight: A slight chance of rain between 9pm and 2am. Patchy fog after 3am. Otherwise, cloudy, with a steady temperature around 40. South southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 35. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

  • Wednesday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain between 9pm and 2am. Patchy fog after 3am. Otherwise, cloudy, with a steady temperature around 40. South southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 35. Calm wind becoming south southwest around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 61. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 68. Breezy.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 60.
Thursday Night
A chance of showers. Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 42.
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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:
5:21 pm CST Feb 14, 2026
Forecast Valid:
8pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation