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.

Fair

50°F

10°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Wind Chill48°F (9°C)
Last update 12 Oct 4:56 am CDT
Extended Forecast for

2 Miles NE Dahlgren IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. Light east southeast wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 8am. Otherwise, sunny, with a high near 80. Light east northeast wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Northeast wind 3 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. East southeast wind 3 to 7 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. Light east southeast wind.
Columbus Day
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Light east northeast wind.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Calm wind.
Wednesday
Mostly sunny, with a high near 77. Northeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. East southeast wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 50. East southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 81. South wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 59. South southeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 7 to 13 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Dahlgren IL
 38.24°N 88.66°W
Last Update:
5:16 am CDT Oct 12, 2025
Forecast Valid:
5am CDT Oct 12, 2025-6pm CDT Oct 18, 2025
 
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