Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
9°F
-13°C
| Humidity | 70% |
| Wind Speed | N 5 mph |
| Barometer | 30.38 in |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 4 Dec 5:15 am CST |
Extended Forecast for
Castleton IL
Today

High: 13 °F
Sunny
Tonight
Low: -3 °F
Patchy
Freezing Fog
then Mostly
ClearFriday

High: 31 °F
Mostly Sunny
Friday Night

Low: 22 °F
Mostly Cloudy
Saturday

High: 30 °F
Mostly Cloudy
Saturday Night

Low: 15 °F
Chance Snow
Sunday

High: 23 °F
Partly Sunny
Sunday Night

Low: 3 °F
Mostly Cloudy
Monday

High: 24 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 13. Wind chill values between -4 and -14. North wind 5 to 7 mph becoming calm in the morning.
Tonight
Patchy freezing fog before 11pm. Mostly clear, with a low around -3. Wind chill values between -10 and -15. Light south southeast wind becoming south southwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Friday
Mostly sunny, with a high near 31. Wind chill values between -9 and 1. South southwest wind around 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly cloudy, with a low around 22. South southwest wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 17 mph.
Saturday
Mostly cloudy, with a high near 30. West wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15. North northeast wind 3 to 8 mph. Winds could gust as high as 16 mph.
Sunday
Partly sunny, with a high near 23. North wind 8 to 10 mph, with gusts as high as 16 mph.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 24.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A chance of rain. Mostly cloudy, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Castleton IL
41.12°N 89.71°W (Elev. 768 ft)
41.12°N 89.71°W (Elev. 768 ft)
3:51 am CST Dec 4, 2025
5am CST Dec 4, 2025-6pm CST Dec 10, 2025



