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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

75°F

24°C

Humidity 36%
Wind Speed S 7 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 9 Oct 9:56 am CDT
Extended Forecast for

2 Miles ENE Dahlgren IL

  • Today

    Today: Sunny, with a high near 88. South southeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Light southeast wind.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers before 2pm, then a chance of showers after 4pm. Cloudy, with a high near 76. Light east wind becoming east northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    High: 76 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 57. East northeast wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 77. Northwest wind 5 to 9 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Light southwest wind increasing to 6 to 11 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South southwest wind 7 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West southwest wind 6 to 11 mph.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. South southeast wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 58. Light southeast wind.
Saturday
A slight chance of showers before 2pm, then a chance of showers after 4pm. Cloudy, with a high near 76. Light east wind becoming east northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. East northeast wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 77. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 56. Calm wind.
Columbus Day
Sunny, with a high near 88. Light southwest wind increasing to 6 to 11 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. South southwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 88. West southwest wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 60. West southwest wind 5 to 9 mph becoming east northeast after midnight.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 83. East wind 5 to 10 mph becoming south southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Southeast wind around 7 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 83. South southwest wind 8 to 14 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Dahlgren IL
 38.21°N 88.64°W
Last Update:
8:41 am CDT Oct 9, 2026
Forecast Valid:
10am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation