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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Mostly Cloudy

67°F

19°C

Humidity 82%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 May 2:35 am CDT
Extended Forecast for

Kewanee IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Northwest wind 5 to 10 mph becoming north in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 59. West wind around 5 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Northwest wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Memorial Day
Sunny, with a high near 83. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
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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:
2:11 am CDT May 24, 2026
Forecast Valid:
2am CDT May 24, 2026-6pm CDT May 30, 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