Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
55°F
13°C
| Humidity | 45% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 30.07 in (1018.6 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 18 Apr 4:56 pm CDT |
Extended Forecast for
9 Miles WSW Johnsonville IL
Tonight

Low: 37 °F
Mostly Clear
Sunday

High: 65 °F
Increasing
CloudsSunday Night

Low: 39 °F
Partly Cloudy
Monday

High: 63 °F
Sunny
Monday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 76 °F
Mostly Sunny
Tuesday Night

Low: 56 °F
Mostly Clear
Wednesday

High: 78 °F
Sunny
Wednesday Night

Low: 59 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Increasing clouds, with a high near 65. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 63. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 46. Calm wind becoming south southeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 56. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 81. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 22 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. West southwest wind 8 to 10 mph becoming northwest after midnight.
Saturday
A slight chance of showers. Mostly sunny, with a high near 70. North northwest wind around 10 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
3:02 pm CDT Apr 18, 2026
5pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026


