Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Mostly Cloudy
78°F
26°C
| Humidity | 57% |
| Wind Speed | SW 14 G 21 mph |
| Barometer | 29.82 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 14 Apr 11:15 am CDT |
Extended Forecast for
4 Miles WNW Castleton IL
Today

High: 83 °F
Chance
T-stormsTonight
Low: 64 °F
Chance
T-storms then
Showers
LikelyWednesday

High: 77 °F
Showers
Wednesday Night

Low: 59 °F
Showers
LikelyThursday

High: 76 °F
Chance
ShowersThursday Night

Low: 55 °F
Mostly Clear
Friday

High: 81 °F
Partly Sunny
Friday Night

Low: 53 °F
Showers
Saturday

High: 64 °F
Chance
Showers and
Breezy
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 64. South southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 77. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 76. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 55. West southwest wind around 6 mph becoming south after midnight.
Friday
Partly sunny, with a high near 81. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 64. Breezy.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 63.
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)
7:36 am CDT Apr 14, 2026
11am CDT Apr 14, 2026-6pm CDT Apr 20, 2026



