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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in (1020.0 mb)
Dewpoint 40°F (4°C)
Visibility 0.75 mi
Last update 10 Nov 2:56 am CST
Extended Forecast for

3 Miles E Dahlgren IL

  • Overnight

    Overnight: Clear, with a low around 43. Light west southwest wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. West wind around 6 mph becoming calm in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, then gradually becoming sunny, with a high near 71. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. North northwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. North northwest wind 7 to 14 mph.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 43. Light west southwest wind.
Tuesday
Sunny, with a high near 71. West wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Veterans Day
Partly sunny, then gradually becoming sunny, with a high near 71. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 51. North northwest wind 10 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 29. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 46. North northwest wind 7 to 14 mph.
Friday Night
Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 49. Calm wind.
Saturday Night
Mostly clear, with a low around 28. Calm wind.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming south southeast around 6 mph.
Sunday Night
Partly cloudy, with a low around 32. Calm wind.
Monday
Mostly sunny, with a high near 56. Calm wind becoming east southeast around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Dahlgren IL
 38.19°N 88.64°W
Last Update:
12:35 am CST Nov 10, 2026
Forecast Valid:
3am CST Nov 10, 2026-6pm CST Nov 16, 2026
 
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