Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
76°F
24°C
| Humidity | 36% |
| Wind Speed | S 9 mph |
| Barometer | 30.18 in (1022.1 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 9 Apr 5:56 pm CDT |
Extended Forecast for
Mount Vernon IL
Tonight

Low: 56 °F
Mostly Clear
Friday
High: 75 °F
Mostly Sunny
then Chance
ShowersFriday Night

Low: 51 °F
Chance
ShowersSaturday
High: 76 °F
Slight Chance
Showers then
Slight Chance
T-stormsSaturday Night

Low: 59 °F
Partly Cloudy
Sunday

High: 80 °F
Partly Sunny
Sunday Night
Low: 65 °F
Slight Chance
Showers then
Showers
LikelyMonday

High: 81 °F
Chance
ShowersMonday Night
Low: 68 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 56. South wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 75. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. East northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 80. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 13 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 7 to 10 mph.
Thursday
A chance of showers. Partly sunny, with a high near 79. Southwest wind 7 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
5:26 pm CDT Apr 9, 2026
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026


