Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
27°F
-3°C
| Humidity | 53% |
| Wind Speed | S 6 mph |
| Barometer | 30.25 in (1025.6 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 20 Jan 9:56 pm CST |
Extended Forecast for
Mount Vernon IL
Tonight
Low: 26 °F⇑
Mostly Cloudy
Wednesday
High: 46 °F
Gradual
ClearingWednesday Night
Low: 23 °F
Mostly Clear
Thursday
High: 38 °F
Mostly Sunny
Thursday Night
Low: 14 °F
Mostly Cloudy
Friday
High: 18 °F
Mostly Cloudy
Friday Night
Low: 5 °F
Mostly Cloudy
then Slight
Chance SnowSaturday
High: 15 °F
Chance Snow
Saturday Night
Low: 9 °F
Chance Snow
Detailed Forecast
Tonight
Mostly cloudy, with a temperature rising to around 31 by 4am. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 46. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 23. West southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. North northwest wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 14. Light north wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 18. North wind 11 to 13 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of snow. Cloudy, with a high near 15. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. North northeast wind around 7 mph.
Sunday
Partly sunny, with a high near 22. North wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 7. Calm wind becoming northwest around 5 mph after midnight.
Monday
Mostly sunny, with a high near 24. West northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 9. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 32. South southwest wind 5 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
8:52 pm CST Jan 20, 2026
10pm CST Jan 20, 2026-6pm CST Jan 27, 2026
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