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

71°F

22°C

Humidity 31%
Wind Speed SW 16 G 20 mph
Barometer 29.83 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 Mar 3:55 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 73. South southwest wind around 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 5pm. High near 81. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Mostly Sunny
    then T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then showers likely between 10pm and 1am. Low around 33. North northeast wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 50. North northeast wind around 15 mph, with gusts as high as 23 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 26. North northwest wind 5 to 10 mph becoming light 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 5 to 10 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 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 73. South southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Showers and thunderstorms, mainly after 5pm. High near 81. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms before 10pm, then showers likely between 10pm and 1am. Low around 33. North northeast wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 50. North northeast wind around 15 mph, with gusts as high as 23 mph.
Friday Night
Clear, with a low around 26. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 53. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57.
Wednesday
A chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
Last Update:
1:50 pm CDT Mar 25, 2026
Forecast Valid:
4pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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