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
2 Miles W Nason IL
Extreme Cold Warning January 26, 03:41pm until January 27, 10:00am
NOW until 10:00am Tue

Extreme Cold Warning
This Afternoon

High: 14 °F
Mostly Sunny
Tonight

Low: 4 °F⇑
Mostly Clear
Tuesday

High: 30 °F
Mostly Sunny
Tuesday Night

Low: -2 °F
Partly Cloudy
Wednesday

High: 28 °F
Mostly Sunny
Wednesday Night

Low: 9 °F
Mostly Cloudy
Thursday

High: 20 °F
Mostly Cloudy
Thursday Night

Low: 0 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 14. West southwest wind 5 to 7 mph.
Tonight
Mostly clear, with a temperature falling to near 4 by 8pm, then rising to around 11 during the remainder of the night. Wind chill values as low as -10. Light south southwest wind becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values as low as zero. Southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around -2. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 28. Calm wind becoming west southwest around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 9. Calm wind.
Thursday
Mostly cloudy, with a high near 20. Calm wind becoming north around 5 mph.
Thursday Night
Mostly cloudy, with a low around 0. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly sunny, with a high near 15. North wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around -1. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 1. Light northwest wind.
Sunday
Mostly sunny, with a high near 26. Light and variable wind becoming west southwest around 6 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Nason IL
38.18°N 89.01°W
38.18°N 89.01°W
3:16 pm CST Jan 26, 2026
3pm CST Jan 26, 2026-6pm CST Feb 1, 2026



