Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

15°F

-9°C

Humidity 59%
Wind Speed W 7 mph
Barometer 30.30 in (1027.4 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 17 Jan 9:56 pm CST
Extended Forecast for

5 Miles SSW Dahlgren IL

  • Tonight

    Tonight: Mostly clear, with a low around 10. West wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of flurries between 11am and 4pm.  Increasing clouds, with a high near 30. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. South southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 12 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 21. Wind chill values as low as -3. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 21 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Northwest wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 10. West wind 5 to 7 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries between 11am and 4pm. Increasing clouds, with a high near 30. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 12. South southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
M.L.King Day
Increasing clouds, with a high near 21. Wind chill values as low as -3. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 9. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 25. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 36. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 22. South wind 3 to 6 mph.
Friday
Partly sunny, with a high near 43. South southwest wind 6 to 10 mph.
Friday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph becoming north northeast in the evening.
Saturday
A chance of rain or freezing rain. Mostly cloudy, with a high near 35. Northeast wind around 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Dahlgren IL
 38.13°N 88.73°W
10:31 pm CST Jan 17, 2026
10pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database