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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

84°F

29°C

Humidity 53%
Wind Speed Vrbl 5 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Jun 2:56 pm CDT
Extended Forecast for

Dahlgren IL

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Northwest wind around 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 10 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South wind around 6 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 3 to 6 mph.

    High: 94 °F

    Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 84. Northwest wind around 7 mph.
Tonight
Clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 74. South wind around 7 mph.
Saturday
Sunny, with a high near 94. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 10 mph.
Sunday
Sunny, with a high near 95. South southwest wind 6 to 9 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph.
Monday
Sunny, with a high near 94. South southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Light south wind.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dahlgren IL
 38.19°N 88.7°W
Last Update:
1:46 pm CDT Jun 19, 2025
Forecast Valid:
3pm CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation