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

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

76°F

24°C

Humidity 49%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Oct 1:15 pm CDT
Extended Forecast for

Kewanee IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South wind around 10 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South wind around 10 mph.
Tonight
Increasing clouds, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.
Columbus Day
Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 70. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Thursday
Showers. High near 69. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 60. Breezy.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kewanee IL
 41.23°N 89.94°W (Elev. 850 ft)
Last Update:
1:26 pm CDT Oct 11, 2026
Forecast Valid:
1pm CDT Oct 11, 2026-6pm CDT Oct 17, 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