Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
32°F
0°C
| Humidity | 69% |
| Wind Speed | Calm |
| Barometer | 29.65 in |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 1:15 am CST |
Extended Forecast for
4 Miles WNW Castleton IL
Overnight

Low: 24 °F
Mostly Clear
Wednesday

High: 41 °F
Increasing
CloudsWednesday Night

Low: 22 °F
Snow Likely
Thursday

High: 47 °F
Mostly Sunny
Thursday Night

Low: 29 °F
Mostly Clear
Friday

High: 64 °F
Sunny
Friday Night

Low: 30 °F
Mostly Clear
Saturday
High: 44 °F
Partly Sunny
then Chance
SnowSaturday Night

Low: 20 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 24. West northwest wind around 9 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 41. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Snow likely between 9pm and 3am. Mostly cloudy, with a low around 22. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 47. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 29. South southwest wind around 6 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 64. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly clear, with a low around 30. West southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 35.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 38.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Castleton IL
41.14°N 89.77°W (Elev. 676 ft)
41.14°N 89.77°W (Elev. 676 ft)
12:36 am CST Feb 25, 2026
1am CST Feb 25, 2026-6pm CST Mar 3, 2026


