Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
30°F
-1°C
| Humidity | 58% |
| Wind Speed | NW 9 mph |
| Barometer | 30.31 in (1027.2 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 11 Jan 4:56 am CST |
Extended Forecast for
9 Miles WSW Johnsonville IL
Overnight
Low: 27 °F
Slight Chance
Snow ShowersSunday
High: 38 °F
Slight Chance
Snow Showers
then SunnySunday Night
Low: 26 °F
Mostly Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 35 °F
Partly Cloudy
Tuesday
High: 57 °F
Mostly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday
High: 42 °F
Slight Chance
ShowersWednesday Night
Low: 18 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 27. West northwest wind around 15 mph, with gusts as high as 32 mph.
Sunday
A 20 percent chance of snow showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 6 to 16 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.
Monday
Sunny, with a high near 50. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. South southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38. West wind around 7 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 42. Northwest wind 7 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 18. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 35. North northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. Light southwest wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 41. West wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind around 7 mph.
Saturday
Mostly cloudy, with a high near 33. West wind 7 to 11 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
5:26 am CST Jan 11, 2026
5am CST Jan 11, 2026-6pm CST Jan 17, 2026
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