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.

Partly Cloudy

76°F

24°C

Humidity 56%
Wind Speed SE 7 mph
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 6:35 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 63. Light and variable wind. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Partly sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 62. Light south southwest wind.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 63. Light and variable wind. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the morning.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62. Light south southwest wind.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 74.
Thursday Night
A chance of showers. Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
Last Update:
6:40 pm CDT Sep 19, 2025
Forecast Valid:
6pm CDT Sep 19, 2025-6pm CDT Sep 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation