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
Click here for hazard details and duration
Extreme Cold Warning
  •  
    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

    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.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    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.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Calm wind becoming west southwest around 6 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 20. Calm wind becoming north around 5 mph.

    High: 20 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. Calm wind becoming north around 5 mph after midnight.

    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
3:16 pm CST Jan 26, 2026
3pm CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database