Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
15°F
-9°C
| Humidity | 59% |
| Wind Speed | W 7 mph |
| Barometer | 30.30 in (1027.4 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 5°F (-15°C) |
| Last update | 17 Jan 9:56 pm CST |
Extended Forecast for
5 Miles SSW Dahlgren IL
Tonight

Low: 10 °F
Mostly Clear
Sunday

High: 30 °F
Chance
FlurriesSunday Night

Low: 12 °F
Partly Cloudy
M.L.King Day

High: 21 °F
Increasing
CloudsMonday Night

Low: 9 °F
Mostly Clear
Tuesday

High: 33 °F
Sunny
Tuesday Night

Low: 25 °F
Partly Cloudy
Wednesday

High: 45 °F
Mostly Sunny
Wednesday Night

Low: 21 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 10. West wind 5 to 7 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries between 11am and 4pm. Increasing clouds, with a high near 30. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 12. South southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
M.L.King Day
Increasing clouds, with a high near 21. Wind chill values as low as -3. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 9. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 25. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 36. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 22. South wind 3 to 6 mph.
Friday
Partly sunny, with a high near 43. South southwest wind 6 to 10 mph.
Friday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph becoming north northeast in the evening.
Saturday
A chance of rain or freezing rain. Mostly cloudy, with a high near 35. Northeast wind around 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Dahlgren IL
38.13°N 88.73°W
38.13°N 88.73°W
10:31 pm CST Jan 17, 2026
10pm CST Jan 17, 2026-6pm CST Jan 24, 2026



