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

14°F

-10°C

Humidity 67%
Wind Speed N 5 mph
Barometer 30.07 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 15 Jan 8:35 am CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Today

    Today: A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 27. Wind chill values between 1 and 11. Northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 27 °F

    Sunny then
    Slight Chance
    Snow

  • Tonight

    Tonight: Snow, mainly before midnight. Low around 24. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow then
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Scattered snow showers. Mostly cloudy, with a low around 13. Wind chill values between zero and 10. West northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 13 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Scattered flurries. Mostly cloudy, with a high near 17. West northwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 17 °F

    Scattered
    Flurries

  • Saturday Night

    Saturday Night: Scattered flurries before midnight. Mostly cloudy, with a low around 6. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Partly sunny, with a high near 20. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 27. Wind chill values between 1 and 11. Northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Tonight
Snow, mainly before midnight. Low around 24. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 11 to 18 mph, with gusts as high as 28 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 13. Wind chill values between zero and 10. West northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday
Scattered flurries. Mostly cloudy, with a high near 17. West northwest wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Scattered flurries before midnight. Mostly cloudy, with a low around 6. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 20. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 6.
M.L.King Day
Mostly sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 31.
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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:
8:36 am CST Jan 15, 2026
Forecast Valid:
9am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation