Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
18°F
-8°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 30.37 in (1029.7 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Last update | 23 Feb 10:56 pm CST |
Extended Forecast for
Waltonville IL
Tonight
Low: 20 °F
Mostly Clear
Tuesday
High: 48 °F
Partly Sunny
and BreezyTuesday Night
Low: 36 °F
Mostly Cloudy
Wednesday
High: 54 °F
Partly Sunny
Wednesday Night
Low: 37 °F
Slight Chance
Showers then
Chance
ShowersThursday
High: 49 °F
Chance
Showers then
Partly SunnyThursday Night
Low: 31 °F
Mostly Clear
Friday
High: 60 °F
Sunny
Friday Night
Low: 39 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 48. Breezy, with a south wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Wednesday
Partly sunny, with a high near 54. Light and variable wind becoming northwest around 6 mph in the morning.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. East wind 3 to 8 mph.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 49. North northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 39. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 65. South southwest wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 34. South wind 7 to 10 mph becoming north northeast in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 50. Northeast wind around 11 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33. East wind around 10 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 50. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.2°N 89.03°W
38.2°N 89.03°W
9:42 pm CST Feb 23, 2026
11pm CST Feb 23, 2026-6pm CST Mar 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
