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

20°F

-7°C

Humidity 75%
Wind Speed W 3 mph
Barometer 30.39 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 28 Nov 4:15 am CST
Extended Forecast for

Castleton IL

Winter Storm Warning November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Increasing clouds, with a high near 33. West northwest wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.

    High: 33 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 9pm. Low around 24. Light east southeast wind becoming southeast 8 to 13 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Slight Chance
    Snow then
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. Southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 32 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Low around 23. Southeast wind 10 to 18 mph becoming west northwest in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 27. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 19. Calm wind.

    High: 19 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 33. West northwest wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.
Tonight
Snow, mainly after 9pm. Low around 24. Light east southeast wind becoming southeast 8 to 13 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 32. Southeast wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow. Low around 23. Southeast wind 10 to 18 mph becoming west northwest in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 27. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 5. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Monday
Mostly cloudy, with a high near 19. Calm wind.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
Last Update:
3:36 am CST Nov 28, 2025
Forecast Valid:
4am CST Nov 28, 2025-6pm CST Dec 4, 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