National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. East northeast wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and noon. Mostly cloudy, with a high near 35. East northeast wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 35 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. North wind around 7 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. North wind 5 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. South wind around 8 mph becoming west after midnight.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. West wind 6 to 10 mph becoming north northwest in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. East northeast wind around 5 mph.
Tuesday
A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and noon. Mostly cloudy, with a high near 35. East northeast wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 21. North wind around 7 mph.
Wednesday
Partly sunny, with a high near 30. North wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 13. Light and variable wind.
Thursday
Partly sunny, with a high near 35. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. South wind around 8 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 49. West wind 6 to 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 41. Calm wind becoming east around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 26. East southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 42. Northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 24. Light east northeast wind.
Monday
Partly sunny, with a high near 41. Light and variable wind becoming east around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
Last Update:
1:12 am CST Feb 3, 2026
Forecast Valid:
2am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation