Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
56°F
13°C
| Humidity | 72% |
| Wind Speed | SW 6 mph |
| Barometer | 30.19 in (1022.5 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 10 Apr 3:56 am CDT |
Extended Forecast for
Mount Vernon IL
Today
High: 75 °F
Partly Sunny
then Showers
LikelyTonight

Low: 51 °F
Chance
ShowersSaturday
High: 75 °F
Chance
Showers then
Slight Chance
T-stormsSaturday Night

Low: 60 °F
Partly Cloudy
Sunday

High: 81 °F
Partly Sunny
Sunday Night

Low: 65 °F
Chance
ShowersMonday
High: 82 °F
Chance
Showers then
Chance
T-stormsMonday Night

Low: 68 °F
Mostly Cloudy
Tuesday

High: 85 °F
Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. South southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tonight
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 51. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. East northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 81. South southwest wind 7 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 14 mph, with gusts as high as 24 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South southwest wind 13 to 16 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 13 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 17 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 68. South southwest wind around 13 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 6 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
2:16 am CDT Apr 10, 2026
4am CDT Apr 10, 2026-6pm CDT Apr 16, 2026



