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.

Overcast

64°F

18°C

Humidity 82%
Wind Speed S 3 mph
Barometer 29.96 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Jun 11:55 pm CDT
Extended Forecast for

Kewanee IL

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Partly cloudy, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59. Northwest wind around 5 mph becoming calm.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 72. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 72 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Partly cloudy, with a low around 59. West wind around 5 mph.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 59. Northwest wind around 5 mph becoming calm.
Sunday
Showers likely, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 72. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 78.
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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:
10:26 pm CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 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