Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
44°F
7°C
| Humidity | 60% |
| Wind Speed | NE 3 mph |
| Barometer | 29.79 in (1009.5 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 11:56 pm CST |
Extended Forecast for
Waltonville IL
Overnight

Low: 36 °F
Chance
ShowersThursday

High: 57 °F
Mostly Sunny
Thursday Night

Low: 35 °F
Mostly Clear
Friday

High: 66 °F
Sunny
Friday Night

Low: 41 °F
Clear
Saturday

High: 64 °F
Mostly Sunny
Saturday Night
Low: 33 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 47 °F
Mostly Cloudy
then Chance
Rain/SnowSunday Night

Low: 31 °F
Rain/Snow
Likely
Detailed Forecast
Overnight
A 40 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 36. Calm wind becoming northeast around 6 mph.
Thursday
Mostly sunny, with a high near 57. East northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 35. Light and variable wind.
Friday
Sunny, with a high near 66. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Clear, with a low around 41. South wind 5 to 8 mph becoming north northwest after midnight.
Saturday
Mostly sunny, with a high near 64. North wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 33. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
A chance of rain and snow showers after noon. Cloudy, with a high near 47. East northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Rain likely, possibly mixed with snow showers. Cloudy, with a low around 31. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 42. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Cloudy, with a low around 31. East northeast wind around 7 mph.
Tuesday
A chance of showers. Cloudy, with a high near 47. East wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 35. North northwest wind around 6 mph becoming northeast after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 54. East wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
12:01 am CST Feb 26, 2026
12am CST Feb 26, 2026-6pm CST Mar 4, 2026


