National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fair

37°F

3°C

Humidity 82%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 2 May 5:15 am CDT
Extended Forecast for

Herscher IL

Frost Advisory May 2, 05:40am until May 2, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 2, 05:40am until May 2, 08:00am

    NOW until 8:00am Sat

    Frost Advisory

  • Today

    High: 56 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northwest wind 5 to 10 mph becoming south southwest in the evening.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 67 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 4pm. Sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 56. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 40. Northwest wind 5 to 10 mph becoming south southwest in the evening.
Sunday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 45. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers after 4pm. Sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Tuesday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herscher IL
 41.04°N 88.11°W
Last Update:
3:30 am CDT May 2, 2026
Forecast Valid:
5am CDT May 2, 2026-6pm CDT May 8, 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