Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
7°C
45°F
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 1014.6 mb (29.95 in) |
| Dewpoint | 6°C (42°F) |
| Visibility | 16 km |
| Last update | 8 May 3:56 am CDT |
Extended Forecast for
Waltonville IL
Today

High: 24 °C
Increasing
CloudsTonight
Low: 12 °C
Showers then
Chance
T-stormsSaturday

High: 26 °C
Becoming
SunnySaturday Night

Low: 13 °C
Increasing
CloudsSunday

High: 21 °C
Partly Sunny
Sunday Night

Low: 8 °C
Partly Cloudy
Monday

High: 21 °C
Sunny
Monday Night

Low: 8 °C
Clear
Tuesday

High: 23 °C
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 24. South southwest wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
Tonight
Showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Low around 12. Southwest wind 9 to 14 km/h becoming light and variable in the evening. Chance of precipitation is 80%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 26. Light west southwest wind increasing to 6 to 11 km/h in the morning.
Saturday Night
Increasing clouds, with a low around 13. Calm wind.
Sunday
Partly sunny, with a high near 21. Light north northwest wind becoming north 9 to 14 km/h in the morning.
Sunday Night
Partly cloudy, with a low around 8. North wind 5 to 13 km/h.
Monday
Sunny, with a high near 21. Light north northeast wind becoming north 9 to 14 km/h in the morning.
Monday Night
Clear, with a low around 8. Calm wind.
Tuesday
Sunny, with a high near 23. South southwest wind 8 to 13 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 37 km/h.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 13. South southwest wind 18 to 23 km/h becoming west after midnight. Winds could gust as high as 35 km/h.
Wednesday
Sunny, with a high near 23. North northwest wind 14 to 21 km/h, with gusts as high as 29 km/h.
Wednesday Night
Mostly clear, with a low around 10. North wind 5 to 10 km/h becoming calm after midnight.
Thursday
Sunny, with a high near 25. East northeast wind 5 to 11 km/h becoming south southeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
3:36 am CDT May 8, 2026
4am CDT May 8, 2026-6pm CDT May 14, 2026


