Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
50°F
10°C
| Humidity | 55% |
| Wind Speed | S 6 mph |
| Barometer | 29.95 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 16 Feb 7:35 pm CST |
Extended Forecast for
4 Miles WNW Castleton IL
Tonight

Low: 42 °F
Increasing
CloudsTuesday

High: 61 °F
Mostly Cloudy
Tuesday Night

Low: 50 °F
Chance Rain
Wednesday

High: 66 °F
Sunny and
BreezyWednesday Night

Low: 41 °F
Mostly Cloudy
Thursday
High: 66 °F
Partly Sunny
then Rain
LikelyThursday Night
Low: 34 °F
Rain Likely
then Chance
RainFriday

High: 45 °F
Partly Sunny
Friday Night

Low: 25 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 42. South wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 61. South southeast wind 7 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50. South southeast wind around 18 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 66. Breezy, with a west wind 13 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.
Thursday
Rain likely after noon. Partly sunny, with a high near 66. East wind 6 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before midnight. Partly cloudy, with a low around 34. South southeast wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 38.
Additional Forecasts and Information
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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)
7:52 pm CST Feb 16, 2026
7pm CST Feb 16, 2026-6pm CST Feb 23, 2026


