Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Rain
61°F
16°C
| Humidity | 97% |
| Wind Speed | W 5 mph |
| Barometer | 29.83 in (1010.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 8.00 mi |
| Last update | 18 Apr 5:56 am CDT |
Extended Forecast for
Waltonville IL
Today
High: 56 °F
Showers then
Slight Chance
ShowersTonight

Low: 38 °F
Mostly Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 40 °F
Mostly Clear
Monday

High: 66 °F
Sunny
Monday Night

Low: 49 °F
Clear
Tuesday

High: 77 °F
Mostly Sunny
Tuesday Night

Low: 56 °F
Mostly Clear
Wednesday

High: 80 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Steady temperature around 56. West southwest wind 6 to 16 mph becoming northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Tonight
Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 67. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 40. West northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 66. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Clear, with a low around 49. Southeast wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 56. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 80. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Sunny, with a high near 83. South wind 7 to 15 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 11 to 13 mph, with gusts as high as 22 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. South southwest wind 13 to 16 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
5:46 am CDT Apr 18, 2026
6am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



