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.

Overcast

59°F

15°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.18 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 1:55 am CDT
Extended Forecast for

Kewanee IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Southeast wind around 10 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 1pm. High near 71. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Southeast wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 61. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Saturday
Showers, with thunderstorms also possible after 1pm. High near 71. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 61.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kewanee IL
 41.23°N 89.94°W (Elev. 850 ft)
Last Update:
9:37 pm CDT Oct 15, 2025
Forecast Valid:
2am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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