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.

Fair

73°F

23°C

Humidity 56%
Wind Speed SW 9 mph
Barometer 29.69 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 26 Mar 10:15 am CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Southwest wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 32. North northeast wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 32 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 50. North wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 26. Northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Southwest wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 32. North northeast wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 50. North wind 13 to 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 26. Northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 53. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 63. South wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A chance of rain. Mostly cloudy, with a high near 76.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 57.
Wednesday
A chance of rain. Mostly cloudy, 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:
9:52 am CDT Mar 26, 2026
Forecast Valid:
10am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation