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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

71°F

22°C

Humidity 69%
Wind Speed W 9 G 17 mph
Barometer 29.50 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 11:15 pm CDT
Extended Forecast for

Kewanee IL

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 11pm and midnight. Clear, with a low around 56. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers then
    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. West wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 74. Northwest wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers between 11pm and midnight. Clear, with a low around 56. West wind 5 to 10 mph. Chance of precipitation is 20%.
Juneteenth
Sunny, with a high near 78. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 62.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.
Sunday Night
Showers likely before 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
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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:
9:33 pm CDT Jun 17, 2026
Forecast Valid:
11pm CDT Jun 17, 2026-6pm CDT Jun 24, 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