Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
64°F
18°C
| Humidity | 78% |
| Wind Speed | SW 17 mph |
| Barometer | 29.45 in (997.4 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 19 Feb 8:56 pm CST |
Extended Forecast for
9 Miles WSW Johnsonville IL
Tonight
Low: 36 °F
Mostly Clear
then Mostly
Clear and
BreezyFriday

High: 48 °F
Sunny
Friday Night

Low: 30 °F
Increasing
CloudsSaturday

High: 45 °F
Partly Sunny
Saturday Night

Low: 24 °F
Mostly Clear
Sunday

High: 36 °F
Sunny
Sunday Night

Low: 19 °F
Mostly Clear
Monday

High: 36 °F
Sunny
Monday Night

Low: 18 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 36. Breezy, with a west wind 13 to 20 mph, with gusts as high as 36 mph.
Friday
Sunny, with a high near 48. West wind 9 to 17 mph, with gusts as high as 30 mph.
Friday Night
Increasing clouds, with a low around 30. Light and variable wind.
Saturday
Partly sunny, with a high near 45. Light north wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 36. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 19. Northwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 36. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 18. Light and variable wind.
Tuesday
Partly sunny, with a high near 46. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 56. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 33. West southwest wind around 7 mph becoming northwest after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 53. Northwest wind 7 to 9 mph becoming south in the afternoon.
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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
7:12 pm CST Feb 19, 2026
9pm CST Feb 19, 2026-6pm CST Feb 26, 2026



