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.

Overcast

27°F

-3°C

Humidity 86%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 26 Feb 12:35 am CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Overnight

    Overnight: Snow likely before 3am, then a slight chance of freezing rain between 3am and 4am. Mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Wintry Mix
    Likely

  • Thursday

    Thursday: A slight chance of freezing rain between 9am and 10am. Partly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 10%.

    High: 48 °F

    Slight Chance
    Freezing Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 43. Northeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 35.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Overnight
Snow likely before 3am, then a slight chance of freezing rain between 3am and 4am. Mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A slight chance of freezing rain between 9am and 10am. Partly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 31. Southwest wind around 6 mph.
Friday
Sunny, with a high near 66. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Partly cloudy, with a low around 30. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 43. Northeast wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 19. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 35.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 37.
Monday Night
A chance of snow and freezing rain. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain or freezing rain. Cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A chance of rain. Mostly cloudy, with a high near 46.
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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:
12:28 am CST Feb 26, 2026
Forecast Valid:
12am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation