Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Mostly Cloudy
79°F
26°C
| Humidity | 88% |
| Wind Speed | SE 5 mph |
| Barometer | 29.99 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 15 Aug 8:15 pm CDT |
Extended Forecast for
Spring Valley IL
Flood Warning until further notice
NOW until further notice
Flood Warning
Tonight
Low: 73 °F
Chance
T-storms then
Showers
LikelySunday
High: 85 °F
Chance
Showers then
Slight Chance
T-stormsSunday Night
Low: 65 °F
Chance
T-storms then
Mostly ClearMonday
High: 80 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Showers
LikelyWednesday
High: 78 °F
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 80. North wind around 5 mph.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Spring Valley IL
41.32°N 89.23°W (Elev. 466 ft)
41.32°N 89.23°W (Elev. 466 ft)
1:26 pm CDT Aug 15, 2026
8pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
