Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Light Rain
73°F
23°C
| Humidity | 92% |
| Wind Speed | S 5 mph |
| Barometer | 30.06 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 4:15 am CDT |
Extended Forecast for
Castleton IL
Flood Watch until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 71 °F
Heavy Rain
Saturday
High: 84 °F
Heavy Rain
then Mostly
CloudySaturday Night
Low: 73 °F
Chance
T-storms then
Showers
LikelySunday
High: 85 °F
Showers
Likely then
Partly SunnySunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 80 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Southeast wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms, mainly before 11am. Some of the storms could produce heavy rainfall. High near 84. South wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. South wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 7am. Partly sunny, with a high near 85. West northwest wind 6 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 65. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 80. North wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Castleton IL
41.12°N 89.71°W (Elev. 768 ft)
41.12°N 89.71°W (Elev. 768 ft)
3:36 am CDT Aug 15, 2026
4am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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