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

23°F

-5°C

Humidity 77%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 2 Feb 10:55 pm CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Snow likely, mainly before 4am. Cloudy, with a low around 19. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow Likely

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 29. North wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 29 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. North wind around 6 mph becoming calm in the evening.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 29. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 16. Light northwest wind.

    Low: 16 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 37. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. South southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 4am. Cloudy, with a low around 19. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 29. North wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 10. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 29. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 16. Light northwest wind.
Thursday
Partly sunny, with a high near 37. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 31. South southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 41.
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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:
9:57 pm CST Feb 2, 2026
Forecast Valid:
11pm CST Feb 2, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation