Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

23°F

-5°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.03 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 2 Dec 8:35 pm CST
Extended Forecast for

Castleton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Scattered snow showers, mainly after noon.  Cloudy, with a high near 34. Southwest wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    High: 34 °F

    Scattered
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values between -7 and -12. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: -1 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 12. Wind chill values between -3 and -13. North northwest wind around 6 mph becoming calm  in the morning.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -1. Calm wind becoming south southwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

    Low: -1 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 26. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. West wind around 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Scattered snow showers, mainly after noon. Cloudy, with a high near 34. Southwest wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values between -7 and -12. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 12. Wind chill values between -3 and -13. North northwest wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around -1. Calm wind becoming south southwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Friday
Partly sunny, with a high near 26. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Friday Night
Mostly cloudy, with a low around 15. West wind around 6 mph.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 26.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
8:37 pm CST Dec 2, 2025
8pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

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