Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.53°F
12°C
| Humidity | 74% |
| Wind Speed | NE 5 mph |
| Barometer | 29.89 in (1012.5 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 21 Mar 6:56 am CDT |
Extended Forecast for
Waltonville IL
Today

High: 84 °F
Sunny
Tonight

Low: 62 °F
Clear
Sunday

High: 84 °F
Sunny
Sunday Night

Low: 38 °F
Chance
T-storms and
BreezyMonday

High: 57 °F
Mostly Sunny
Monday Night

Low: 40 °F
Mostly Cloudy
Tuesday

High: 61 °F
Partly Sunny
Tuesday Night

Low: 44 °F
Slight Chance
ShowersWednesday

High: 69 °F
Slight Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 84. Light and variable wind becoming east around 6 mph in the morning.
Tonight
Clear, with a low around 62. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 57. North northeast wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 40. East northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 61. South southeast wind around 6 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 44. Light south southeast wind.
Wednesday
A slight chance of showers before 1pm. Partly sunny, with a high near 69. South wind 5 to 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 54. South wind 6 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48. North wind around 11 mph, with gusts as high as 21 mph.
Friday
A chance of showers. Mostly sunny, with a high near 60. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
6:36 am CDT Mar 21, 2026
7am CDT Mar 21, 2026-6pm CDT Mar 27, 2026


