Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
74°F
23°C
| Humidity | 43% |
| Wind Speed | S 18 G 23 mph |
| Barometer | 30.25 in (1024.6 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 12:56 pm CDT |
Extended Forecast for
9 Miles WSW Johnsonville IL
This Afternoon

High: 78 °F
Sunny
Tonight

Low: 55 °F
Mostly Clear
Friday
High: 73 °F
Mostly Sunny
then Chance
ShowersFriday Night

Low: 49 °F
Chance
ShowersSaturday
High: 74 °F
Slight Chance
Showers then
Slight Chance
T-stormsSaturday Night

Low: 58 °F
Partly Cloudy
Sunday

High: 80 °F
Partly Sunny
Sunday Night

Low: 64 °F
Showers
LikelyMonday

High: 81 °F
Chance
Showers
Detailed Forecast
This Afternoon
Sunny, with a high near 78. South southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 55. South wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 73. South southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northeast wind around 6 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 74. East northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 58. East southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 80. South southwest wind 7 to 17 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 64. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 10 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 11 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.
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ABOUT THIS FORECAST
Point Forecast:
9 Miles WSW Johnsonville IL
38.48°N 88.68°W
38.48°N 88.68°W
1:27 pm CDT Apr 9, 2026
1pm CDT Apr 9, 2026-6pm CDT Apr 15, 2026


