Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
48°F
9°C
| Humidity | 89% |
| Wind Speed | NE 7 mph |
| Barometer | 30.36 in (1028.3 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 9.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 11 Apr 6:56 am CDT |
Extended Forecast for
Waltonville IL
Today
High: 74 °F
Mostly Sunny
then Isolated
T-stormsTonight

Low: 59 °F
Partly Cloudy
Sunday
High: 81 °F
Mostly Sunny
then Partly
Sunny and
BreezySunday Night
Low: 67 °F
Slight Chance
Showers then
Chance
ShowersMonday

High: 81 °F
Chance
ShowersMonday Night

Low: 68 °F
Mostly Cloudy
Tuesday

High: 85 °F
Mostly Sunny
Tuesday Night

Low: 69 °F
Chance
T-stormsWednesday
High: 84 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Today
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 74. East northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Sunday
Increasing clouds, with a high near 81. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 85. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 8 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. South southwest wind around 7 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
3:41 am CDT Apr 11, 2026
7am CDT Apr 11, 2026-6pm CDT Apr 17, 2026


