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

3 Miles SW Dahlgren IL

Cold Weather Advisory January 24, 02:26pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 24, 02:26pm until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
Winter Storm Warning
  •  
    Cold Weather Advisory January 24, 02:26pm until January 26, 12:00am
    Winter Storm Warning January 24, 02:26pm until January 25, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 14 °F

    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 13. Wind chill values as low as zero. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 4pm. The snow could be heavy at times.  High near 16. Wind chill values as low as -2. North northeast wind 13 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 16 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 8pm.  Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -19. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: -4 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 13. West northwest wind 5 to 10 mph.

    High: 13 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -1. Light west southwest wind becoming southwest 8 to 13 mph in the evening. Winds could gust as high as 22 mph.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 26. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 14. Wind chill values as low as -1. Northeast wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 13. Wind chill values as low as zero. North northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 4pm. The snow could be heavy at times. High near 16. Wind chill values as low as -2. North northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
A 20 percent chance of snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -19. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 13. West northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around -1. Light west southwest wind becoming southwest 8 to 13 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 26. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 23. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 1. West southwest wind around 6 mph becoming northwest in the evening.
Thursday
Partly sunny, with a high near 17. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 0. Light north northwest wind.
Friday
Mostly sunny, with a high near 19. North northwest wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Dahlgren IL
 38.17°N 88.72°W
2:21 pm CST Jan 24, 2026
2pm CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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Additional Resources

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