Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
67°F
19°C
| Humidity | 68% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1015.4 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 6:56 pm CDT |
Extended Forecast for
Waltonville IL
Tonight
Low: 60 °F
Mostly Clear
Columbus Day
High: 92 °F
Sunny
Monday Night
Low: 66 °F
Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
then Chance
ShowersWednesday
High: 86 °F
Showers
Wednesday Night
Low: 64 °F
Showers
LikelyThursday
High: 81 °F
Showers
LikelyThursday Night
Low: 55 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 60. Calm wind becoming southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 92. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 66. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 94. Southwest wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. South southwest wind 5 to 7 mph.
Wednesday
Showers and possibly a thunderstorm. High near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East northeast wind 5 to 10 mph becoming south southeast in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Southwest wind 6 to 14 mph becoming west northwest after midnight.
Friday
Partly sunny, with a high near 69. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 38. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 61. North wind 10 to 14 mph.
Saturday Night
Clear, with a low around 35. Light and variable wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.2°N 89.03°W
38.2°N 89.03°W
2:01 pm CDT Oct 11, 2026
7pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
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