Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
54°F
12°C
| Humidity | 40% |
| Wind Speed | N 5 mph |
| Barometer | 30.29 in (1026.2 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 6 Apr 10:56 pm CDT |
Extended Forecast for
Dahlgren IL
Tonight

Low: 38 °F
Partly Cloudy
Tuesday

High: 56 °F
Decreasing
CloudsTuesday Night

Low: 37 °F
Partly Cloudy
Wednesday

High: 73 °F
Mostly Sunny
Wednesday Night

Low: 52 °F
Partly Cloudy
Thursday

High: 74 °F
Sunny
Thursday Night

Low: 54 °F
Mostly Clear
Friday

High: 76 °F
Chance
ShowersFriday Night

Low: 56 °F
Chance
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 38. North northeast wind 5 to 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. East northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 37. East wind around 6 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 7 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 74. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. South wind around 6 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 76. Southwest wind 6 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming light and variable.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. East northeast wind around 6 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 83. South southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 10 to 14 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 28 mph.
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ABOUT THIS FORECAST
Point Forecast:
Dahlgren IL
38.19°N 88.7°W
38.19°N 88.7°W
9:16 pm CDT Apr 6, 2026
11pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026


