Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
67°F
19°C
| Humidity | 61% |
| Wind Speed | N 3 mph |
| Barometer | 30.01 in (1016.7 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 10 Oct 6:56 pm CDT |
Extended Forecast for
5 Miles SSW Dahlgren IL
Tonight
Low: 57 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 83 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Columbus Day
High: 91 °F
Becoming
SunnyMonday Night
Low: 66 °F
Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 67 °F
Clear then
Slight Chance
T-stormsWednesday
High: 86 °F
Showers
LikelyWednesday Night
Low: 64 °F
Chance
Showers
Detailed Forecast
Tonight
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 57. Northeast wind 5 to 11 mph.
Sunday
Sunny, with a high near 83. North wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 60. Light and variable wind.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 91. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 66. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 92. Southwest wind 8 to 14 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. West southwest wind 6 to 9 mph becoming north in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind 5 to 7 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East wind 8 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind 7 to 11 mph becoming west after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 72. West northwest wind 9 to 18 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 9 to 17 mph.
Saturday
Mostly sunny, with a high near 64. North northwest wind 11 to 15 mph, with gusts as high as 20 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Dahlgren IL
38.13°N 88.73°W
38.13°N 88.73°W
2:26 pm CDT Oct 10, 2026
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
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