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Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Castleton IL

  • Today

    Today: A 40 percent chance of snow before 9am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a temperature falling to around 16 by 5pm. Wind chill values between 4 and 14. North wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 28 °F⇓

    Chance Snow
    and Patchy
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 6. Wind chill values between -3 and 2. North wind 5 to 9 mph becoming light north northeast after midnight. Winds could gust as high as 16 mph.

    Low: 6 °F

    Increasing
    Clouds

  • Monday

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

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 27 by 4am. South wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 21 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 14 to 22 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.

    High: 37 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of snow before 9am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a temperature falling to around 16 by 5pm. Wind chill values between 4 and 14. North wind 10 to 14 mph, with gusts as high as 24 mph.
Tonight
Increasing clouds, with a low around 6. Wind chill values between -3 and 2. North wind 5 to 9 mph becoming light north northeast after midnight. Winds could gust as high as 16 mph.
Monday
Partly sunny, with a high near 25. Wind chill values between 5 and 15. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a temperature rising to around 27 by 4am. South wind 7 to 17 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 41. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 14 to 22 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 37. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 27.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 12.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
Last Update:
4:57 am CST Dec 7, 2025
Forecast Valid:
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation