Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Thunderstorm in Vicinity

73°F

23°C

Humidity 91%
Wind Speed SE 6 mph
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Aug 1:15 am CDT
Extended Forecast for

Benson IL

Flood Watch until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 71 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall.  High near 90. Heat index values as high as 106. East southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 74. West wind around 7 mph becoming south southwest in the evening.

    Low: 74 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 86. West wind 5 to 9 mph, with gusts as high as 16 mph.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. North northwest wind 3 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82. North wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 71. East southeast wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 106. East southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 74. West wind around 7 mph becoming south southwest in the evening.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. West wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 66. North northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 82. North wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 62. Calm wind.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Benson IL
 40.86°N 89.11°W (Elev. 755 ft)
1:11 am CDT Aug 15, 2026
1am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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