Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
75°F
24°C
| Humidity | 79% |
| Wind Speed | SW 3 mph |
| Barometer | 29.95 in (1014.1 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 13 Oct 10:56 pm CDT |
Extended Forecast for
Waltonville IL
Tonight

Low: 72 °F
Slight Chance
T-stormsWednesday

High: 82 °F
Showers
Wednesday Night

Low: 66 °F
Showers
LikelyThursday

High: 87 °F
Showers
LikelyThursday Night

Low: 50 °F
Chance
ShowersFriday

High: 63 °F
Mostly Sunny
and BreezyFriday Night

Low: 38 °F
Mostly Clear
Saturday

High: 63 °F
Sunny
Saturday Night

Low: 37 °F
Clear
Detailed Forecast
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 72. Southwest wind around 6 mph.
Wednesday
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. High near 82. Light and variable wind becoming west southwest around 5 mph. Chance of precipitation is 100%.
Wednesday Night
Showers likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 10am, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 87. Light and variable wind becoming southwest 8 to 13 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 63. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 38. North wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 63. East northeast wind 3 to 6 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44. Light south wind.
Monday
Mostly sunny, with a high near 75. Calm wind becoming south southwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.2°N 89.03°W
38.2°N 89.03°W
11:51 pm CDT Oct 13, 2026
11pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026



