Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
A Few Clouds
39°F
4°C
| Humidity | 70% |
| Wind Speed | NW 8 mph |
| Barometer | 30.24 in (1024.7 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 12 Mar 12:56 am CDT |
Extended Forecast for
9 Miles WSW Johnsonville IL
Overnight
Low: 31 °F
Decreasing
CloudsThursday
High: 53 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
then Partly
Cloudy and
BreezyFriday
High: 61 °F
Mostly Sunny
and Breezy
then Partly
SunnyFriday Night
Low: 35 °F
Partly Cloudy
Saturday
High: 62 °F
Partly Sunny
Saturday Night
Low: 51 °F
Mostly Cloudy
Sunday
High: 68 °F
Showers
Likely and
BreezySunday Night
Low: 26 °F
Rain/Snow
Likely and
Breezy
Detailed Forecast
Overnight
Mostly cloudy, then gradually becoming clear, with a low around 31. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 53. Light west northwest wind becoming west 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 42. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 61. Breezy, with a west wind 15 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 7 mph becoming east northeast after midnight.
Saturday
Partly sunny, with a high near 62. East northeast wind 6 to 11 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. East southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 13 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Rain and snow showers likely, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind around 22 mph, with gusts as high as 34 mph.
Monday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 34. Breezy, with a west northwest wind 18 to 21 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 14. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 38. West southwest wind 5 to 7 mph.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 28. South southeast wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 53. South wind 7 to 10 mph.
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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
1:26 am CDT Mar 12, 2026
1am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
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