Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

70°F

21°C

Humidity 92%
Wind Speed E 7 mph
Barometer 30.26 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Sep 9:15 am CDT
Extended Forecast for

Kewanee IL

  • Today

    Today: A 50 percent chance of showers, mainly after 4pm.  Cloudy, with a high near 73. East wind around 5 mph.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 80. South wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 80 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 65. North wind around 5 mph becoming east after midnight.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 1pm.  Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers.  Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers, mainly after 4pm. Cloudy, with a high near 73. East wind around 5 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 11am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 65. North wind around 5 mph becoming east after midnight.
Friday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 81.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 76.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 73.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Kewanee IL
 41.23°N 89.94°W (Elev. 850 ft)
8:46 am CDT Sep 16, 2026
9am CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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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