Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain Fog/Mist and Breezy
61°F
16°C
| Humidity | 93% |
| Wind Speed | S 21 G 28 mph |
| Barometer | 29.38 in (995.2 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 5.00 mi |
| Last update | 15 Mar 5:56 pm CDT |
Extended Forecast for
5 Miles SW Dahlgren IL
Tornado Watch until March 15, 11:00pm
High Wind Warning March 15, 06:31pm until March 15, 09:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 25 °F
Breezy. Heavy
Rain then
Mostly CloudyMonday

High: 32 °F
Slight Chance
Snow Showers
and BreezyMonday Night

Low: 16 °F
Decreasing
CloudsTuesday

High: 35 °F
Sunny
Tuesday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersWednesday

High: 58 °F
Partly Sunny
Wednesday Night

Low: 41 °F
Partly Cloudy
Thursday

High: 68 °F
Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 25. Breezy, with a west wind 20 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%.
Monday
A slight chance of snow showers between 9am and 1pm. Mostly cloudy, with a high near 32. Breezy, with a west northwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 6 to 10 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 58. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 68. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 72. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 75. West wind 8 to 11 mph.
Saturday Night
Mostly clear, with a low around 46. Northwest wind around 9 mph becoming northeast after midnight.
Sunday
Mostly sunny, with a high near 72. East wind 8 to 11 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SW Dahlgren IL
38.15°N 88.75°W
38.15°N 88.75°W
5:17 pm CDT Mar 15, 2026
6pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026



