Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
52°F
11°C
| Humidity | 45% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.30 in (1026.5 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 6 Apr 9:56 pm CDT |
Extended Forecast for
9 Miles WSW Johnsonville IL
Tonight
Low: 38 °F
Mostly Clear
then Slight
Chance
ShowersTuesday

High: 54 °F
Partly Sunny
Tuesday Night

Low: 37 °F
Partly Cloudy
Wednesday

High: 71 °F
Mostly Sunny
Wednesday Night

Low: 51 °F
Partly Cloudy
Thursday

High: 73 °F
Sunny
Thursday Night

Low: 54 °F
Partly Cloudy
Friday

High: 74 °F
Chance
ShowersFriday Night

Low: 55 °F
Chance
Showers
Detailed Forecast
Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 38. North northeast wind around 7 mph.
Tuesday
Partly sunny, with a high near 54. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 37. East wind around 6 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 73. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 54. South wind around 6 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 74. South southwest wind 6 to 9 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light and variable wind becoming northeast around 5 mph after midnight.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 75. East northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 11 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind 13 to 18 mph, with gusts as high as 26 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
9:16 pm CDT Apr 6, 2026
10pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026


