Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
65°F
18°C
| Humidity | 47% |
| Wind Speed | W 8 mph |
| Barometer | 29.73 in (1006.8 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 6 Jan 3:56 pm CST |
Extended Forecast for
4 Miles SSE Dahlgren IL
This Afternoon
High: 63 °F
Sunny
Tonight
Low: 34 °F
Partly Cloudy
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Mostly Cloudy
Thursday
High: 64 °F
Chance
Showers then
Showers
LikelyThursday Night
Low: 55 °F
Showers then
Chance
ShowersFriday
High: 61 °F
Chance
ShowersFriday Night
Low: 44 °F
Chance
ShowersSaturday
High: 50 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 63. West southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 34. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. South southeast wind 3 to 7 mph.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 64. South southeast wind 7 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 55. South southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 61. Southwest wind 6 to 10 mph becoming north northeast in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 37. West northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 24. West southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 46. Southwest wind 6 to 9 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
3:16 pm CST Jan 6, 2026
4pm CST Jan 6, 2026-6pm CST Jan 12, 2026
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