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

70°F

21°C

Humidity 68%
Wind Speed NE 9 mph
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Oct 12:35 pm CDT
Extended Forecast for

Grant Park IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Partly sunny, with a temperature falling to around 63 by 5pm. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 66 °F⇓

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 63. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. South wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Partly sunny, with a temperature falling to around 63 by 5pm. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 63. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. South wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grant Park IL
 41.24°N 87.63°W
Last Update:
9:26 am CDT Oct 14, 2026
Forecast Valid:
12pm CDT Oct 14, 2026-6pm CDT Oct 20, 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