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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

64°F

18°C

Humidity 78%
Wind Speed SW 17 mph
Barometer 29.45 in (997.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Feb 8:56 pm CST
Extended Forecast for

2 Miles SW Dahlgren IL

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 13 to 17 mph, with gusts as high as 33 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. West wind 8 to 17 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. Calm wind becoming north around 5 mph after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 46. North wind 5 to 9 mph.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37. Northwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36. North northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. North northwest wind around 5 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 13 to 17 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 49. West wind 8 to 17 mph, with gusts as high as 29 mph.
Friday Night
Increasing clouds, with a low around 31. Calm wind becoming north around 5 mph after midnight.
Saturday
Partly sunny, with a high near 46. North wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 37. Northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 19. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 36. North northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 19. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 47. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 56. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 33. West southwest wind 7 to 9 mph becoming northwest after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 54. Northwest wind 7 to 10 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Dahlgren IL
 38.17°N 88.7°W
Last Update:
7:12 pm CST Feb 19, 2026
Forecast Valid:
9pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
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