Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
55°F
13°C
| Humidity | 44% |
| Wind Speed | NE 9 mph |
| Barometer | 30.32 in (1027.4 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 7 Apr 4:56 pm CDT |
Extended Forecast for
4 Miles SSE Dahlgren IL
Tonight
Low: 39 °F
Mostly Clear
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 53 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Friday
High: 76 °F
Slight Chance
Showers then
Chance
T-stormsFriday Night
Low: 55 °F
Chance
ShowersSaturday
High: 77 °F
Partly Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 39. East northeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 77. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind 6 to 8 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 77. Northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 83. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 16 mph, with gusts as high as 26 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 29 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 16 mph, with gusts as high as 25 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSE Dahlgren IL
38.15°N 88.67°W
38.15°N 88.67°W
4:07 pm CDT Apr 7, 2026
5pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
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