Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Partly Cloudy
83°F
28°C
| Humidity | 51% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.03 in (1016.6 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 27 Aug 11:56 am CDT |
Extended Forecast for
Dahlgren IL
This Afternoon
High: 88 °F
Sunny
Tonight
Low: 63 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 60 °F
Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 71 °F
Mostly Clear
Monday
High: 96 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 88. North northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 89. Light and variable wind.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny, with a high near 95. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. South wind around 6 mph.
Monday
Sunny, with a high near 96. South southwest wind 5 to 11 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind 3 to 7 mph.
Tuesday
Sunny and hot, with a high near 97. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 75. South southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 97. Southwest wind 3 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Dahlgren IL
38.19°N 88.7°W
38.19°N 88.7°W
12:06 pm CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
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