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.

Partly Cloudy

80°F

27°C

Humidity 50%
Wind Speed NW 9 G 17 mph
Barometer 29.96 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 Jun 2:35 pm CDT
Extended Forecast for

Onarga IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 81. Northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 71. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 78. North wind around 5 mph becoming east in the afternoon.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 81. Northwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 71. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 78. North wind around 5 mph becoming east in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onarga IL
 40.71°N 88.02°W
Last Update:
1:21 pm CDT Jun 25, 2026
Forecast Valid:
2pm CDT Jun 25, 2026-6pm CDT Jul 1, 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