Current conditions at
            
    Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
                        Fair
35°F
2°C
| Humidity | 100% | 
| Wind Speed | Calm | 
| Barometer | 30.31 in (1027.0 mb) | 
| Dewpoint | 35°F (2°C) | 
| Visibility | 10.00 mi | 
| Last update | 4 Nov 2:56 am CST | 
    Extended Forecast for
    
    3 Miles SE Dahlgren IL
Overnight

Low: 36 °F
Patchy Fog
Tuesday

High: 66 °F
Sunny
Tuesday Night

Low: 50 °F
Partly Cloudy
Wednesday

High: 71 °F
Sunny
Wednesday Night

Low: 39 °F
Clear
Thursday

High: 64 °F
Sunny
Thursday Night
Low: 51 °F
Partly Cloudy
then Chance
ShowersFriday
High: 70 °F
Showers
Likely then
Chance
T-stormsFriday Night

Low: 41 °F
Mostly Clear
Detailed Forecast
Overnight
Patchy fog before 4am.  Otherwise, partly cloudy, with a low around 36. Calm wind. 
Tuesday
Sunny, with a high near 66. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 20 mph. 
Tuesday Night
Partly cloudy, with a low around 50. Southwest wind around 11 mph, with gusts as high as 24 mph. 
Wednesday
Sunny, with a high near 71. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. 
Wednesday Night
Clear, with a low around 39. North northwest wind around 6 mph becoming light and variable  in the evening. 
Thursday
Sunny, with a high near 64. Southeast wind 5 to 10 mph. 
Thursday Night
A 30 percent chance of showers after midnight.  Partly cloudy, with a low around 51. South wind 8 to 13 mph, with gusts as high as 23 mph. 
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 70. South southwest wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph. 
Friday Night
Mostly clear, with a low around 41. West wind 5 to 8 mph becoming calm  after midnight. 
Saturday
Sunny, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the morning. 
Saturday Night
A slight chance of showers.  Partly cloudy, with a low around 40. South southwest wind 7 to 9 mph becoming west northwest after midnight. 
Sunday
Sunny, with a high near 50. Northwest wind 10 to 16 mph, with gusts as high as 22 mph. 
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph. 
Monday
Sunny, with a high near 46. Northwest wind 6 to 10 mph. 
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            ABOUT THIS FORECAST
Point Forecast:
                3 Miles SE Dahlgren IL
38.17°N 88.64°W
                    38.17°N 88.64°W
3:16 am CST Nov 4, 2025
            3am CST Nov 4, 2025-6pm CST Nov 10, 2025
            


