Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
74°F
23°C
| Humidity | 88% |
| Wind Speed | S 6 mph |
| Barometer | 29.83 in (1009.9 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 31 Jul 8:56 pm CDT |
Extended Forecast for
3 Miles NNE Dahlgren IL
Tonight
Low: 69 °F
Showers
Saturday
High: 79 °F
Slight Chance
T-storms then
Chance
ShowersSaturday Night
Low: 66 °F
Chance
ShowersSunday
High: 80 °F
Chance
ShowersSunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 82 °F
Mostly Sunny
then Slight
Chance
ShowersMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 85 °F
Mostly Sunny
then Slight
Chance
ShowersTuesday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and thunderstorms, mainly before 4am. Low around 69. South wind around 9 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 66. West southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 80. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 64. North wind 5 to 10 mph becoming light after midnight.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82. North wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 64. Light north northeast wind.
Tuesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 85. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Light southeast wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Dahlgren IL
38.24°N 88.66°W
38.24°N 88.66°W
9:01 pm CDT Jul 31, 2026
9pm CDT Jul 31, 2026-6pm CDT Aug 7, 2026
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