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Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Mostly Cloudy

17°F

-8°C

Humidity 89%
Wind Speed Calm
Barometer 30.42 in
Dewpoint 14°F (-10°C)
Visibility 7.00 mi
Last update 1 Dec 7:35 am CST
Extended Forecast for

Castleton IL

Winter Weather Advisory December 1, 12:00pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 1pm. High near 26. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Cloudy then
    Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 12. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. Wind chill values between 5 and 15. West northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -2. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 11. North northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly after 1pm. High near 26. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 11pm. Low around 12. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 25. Wind chill values between 5 and 15. West northwest wind around 6 mph becoming south southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 18. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -2. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 11. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 27.
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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:
6:36 am CST Dec 1, 2025
Forecast Valid:
7am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation