Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Mount Vernon IL
Extreme Cold Warning January 26, 11:23am until January 27, 10:00am
NOW until 10:00am Tue

Extreme Cold Warning
Today

High: 12 °F
Sunny
Tonight

Low: 3 °F⇑
Mostly Clear
Tuesday

High: 28 °F
Mostly Sunny
Tuesday Night

Low: -5 °F
Partly Cloudy
Wednesday

High: 25 °F
Mostly Sunny
Wednesday Night

Low: 3 °F
Mostly Cloudy
Thursday

High: 19 °F
Mostly Cloudy
Thursday Night

Low: 2 °F
Mostly Cloudy
Detailed Forecast
Today
Sunny, with a high near 12. Wind chill values as low as -8. West wind 5 to 9 mph.
Tonight
Mostly clear, with a temperature rising to around 10 by 5am. Wind chill values as low as -12. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values as low as -5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around -5. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 25. Calm wind becoming west southwest 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 3. Calm wind.
Thursday
Mostly cloudy, with a high near 19. Calm wind becoming north around 5 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Mostly sunny, with a high near 17. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around -3. Light north northwest wind.
Saturday
Mostly sunny, with a high near 20. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 4. Light southwest wind.
Sunday
Partly sunny, with a high near 27. South southwest wind 3 to 6 mph.
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ABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
11:01 am CST Jan 26, 2026
11am CST Jan 26, 2026-6pm CST Feb 1, 2026



