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

18°F

-8°C

Humidity 48%
Wind Speed W 6 mph
Barometer 30.21 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 28 Jan 5:15 pm CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Increasing clouds, with a low around 1. Wind chill values between -4 and -9. Northwest wind 3 to 6 mph.

    Low: 1 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 17. Wind chill values between -7 and 3. Calm wind becoming north around 6 mph in the morning.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. Wind chill values between -5 and -10. North northwest wind around 5 mph becoming calm.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 17. Wind chill values between -10 and zero. North wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 22. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 1. Wind chill values between -4 and -9. Northwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 17. Wind chill values between -7 and 3. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 0. Wind chill values between -5 and -10. North northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 17. Wind chill values between -10 and zero. North wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 4. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 22. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 6. North northwest wind around 6 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
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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:
4:26 pm CST Jan 28, 2026
Forecast Valid:
5pm CST Jan 28, 2026-6pm CST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation