Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
77°F
25°C
| Humidity | 94% |
| Wind Speed | S 7 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 15 Oct 1:56 pm CDT |
Extended Forecast for
3 Miles E Dahlgren IL
This Afternoon
High: 87 °F
Showers
LikelyTonight
Low: 49 °F
Chance
T-storms then
Chance
ShowersFriday
High: 59 °F
Breezy.
Slight Chance
Showers then
Partly SunnyFriday Night
Low: 39 °F
Decreasing
CloudsSaturday
High: 60 °F
Sunny
Saturday Night
Low: 35 °F
Clear then
Areas FrostSunday
High: 67 °F
Areas Frost
then SunnySunday Night
Low: 38 °F
Clear
Monday
High: 72 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 87. Southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 49. Southwest wind 9 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Friday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then becoming mostly sunny, with a high near 59. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 10 to 17 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 60. North northeast wind 7 to 9 mph.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming south southeast around 6 mph in the morning.
Sunday Night
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 72. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 76. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 78. Light and variable wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Dahlgren IL
38.19°N 88.64°W
38.19°N 88.64°W
1:51 pm CDT Oct 15, 2026
2pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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