Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Mostly Cloudy
55°F
13°C
| Humidity | 78% |
| Wind Speed | SW 12 G 17 mph |
| Barometer | 29.46 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 18 Feb 4:15 am CST |
Extended Forecast for
4 Miles WNW Castleton IL
Red Flag Warning February 18, 10:00am until February 18, 08:00pm
Overnight

Low: 50 °F
Chance
Sprinkles and
BreezyWednesday

High: 66 °F
Sunny and
BreezyWednesday Night

Low: 40 °F
Increasing
CloudsThursday
High: 66 °F
Partly Sunny
then Showers
LikelyThursday Night

Low: 33 °F
Chance
Showers and
BreezyFriday

High: 40 °F
Decreasing
Clouds and
BreezyFriday Night

Low: 22 °F
Mostly Clear
Saturday

High: 37 °F
Partly Sunny
Saturday Night

Low: 20 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of sprinkles before 5am. Partly cloudy, with a low around 50. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 66. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.
Wednesday Night
Increasing clouds, with a low around 40. West southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 18 mph.
Thursday
Showers likely after noon. Partly sunny, with a high near 66. East southeast wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers. Partly cloudy, with a low around 33. Breezy, with a south wind 10 to 15 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 22. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 42.
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)
3:36 am CST Feb 18, 2026
4am CST Feb 18, 2026-6pm CST Feb 24, 2026



