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

31°F

-1°C

Humidity 57%
Wind Speed W 12 G 18 mph
Barometer 30.34 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Nov 10:15 am CST
Extended Forecast for

Castleton IL

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

  • Thanksgiving Day

    Thanksgiving Day: Increasing clouds, with a high near 36. West northwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 36 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 20. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 33. Northwest wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.

    High: 33 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow after midnight. Low around 24. Light and variable wind becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Low around 23. Southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    Low: 23 °F

    Snow then
    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 27. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

Detailed Forecast

Thanksgiving Day
Increasing clouds, with a high near 36. West northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 20. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday
Increasing clouds, with a high near 33. Northwest wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Snow after midnight. Low around 24. Light and variable wind becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 32. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow. Low around 23. Southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 27. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.1°N 89.68°W (Elev. 820 ft)
Last Update:
10:12 am CST Nov 27, 2025
Forecast Valid:
10am CST Nov 27, 2025-6pm CST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation