Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
67°F
19°C
| Humidity | 76% |
| Wind Speed | S 9 mph |
| Barometer | 29.98 in (1015.4 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 8:56 am CDT |
Extended Forecast for
Waltonville IL
Today
High: 85 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 51 °F
Slight Chance
T-storms then
ShowersSaturday
High: 65 °F⇓
Showers
LikelySaturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 70 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 85. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 51. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a temperature falling to around 54 by 8am. Northwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
Mostly clear, with a low around 38. North northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 66. Light west southwest wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 51. South wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 55. South southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 80. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 6 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind 7 to 11 mph, with gusts as high as 18 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waltonville IL
38.23°N 89.03°W
38.23°N 89.03°W
7:51 am CDT Apr 17, 2026
9am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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