Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
49°F
9°C
| Humidity | 46% |
| Wind Speed | W 12 G 21 mph |
| Barometer | 29.61 in (1002.8 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 20 Feb 1:56 am CST |
Extended Forecast for
9 Miles WSW Johnsonville IL
Overnight
Low: 36 °F
Mostly Clear
Friday
High: 44 °F
Sunny
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Saturday Night
Low: 23 °F
Mostly Clear
Sunday
High: 35 °F
Sunny
Sunday Night
Low: 18 °F
Mostly Clear
Monday
High: 34 °F
Sunny
Monday Night
Low: 17 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 36. West wind around 17 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 44. West wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 29. Light north northwest wind.
Saturday
Mostly sunny, with a high near 43. Light north northwest wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 23. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 35. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 18. Northwest wind around 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 34. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 17. Light and variable wind.
Tuesday
Mostly sunny, with a high near 44. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 55. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 34. Southwest wind 5 to 7 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 52. Northwest wind 5 to 8 mph becoming south in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles WSW Johnsonville IL
38.48°N 88.68°W
38.48°N 88.68°W
2:02 am CST Feb 20, 2026
3am CST Feb 20, 2026-6pm CST Feb 26, 2026
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