Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Thunderstorm Light Rain and Breezy
82°F
28°C
| Humidity | 79% |
| Wind Speed | SW 24 G 32 mph |
| Barometer | 29.81 in (1009.4 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 18 Jun 12:56 pm CDT |
Extended Forecast for
2 Miles ESE Dahlgren IL
Tornado Watch until June 18, 04:00pm
Lake Wind Advisory until June 18, 07:00pm
Severe T-storm Warning until June 18, 01:45pm
NOW: Multiple hazards in effect
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This Afternoon
High: 87 °F
Severe
ThunderstormsTonight
Low: 69 °F
Severe
Thunderstorms
then Chance
ShowersJuneteenth
High: 84 °F
Decreasing
CloudsThursday Night
Low: 66 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 72 °F
Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 75 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly before 2pm. Some of the storms could be severe. Partly sunny, with a high near 87. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 84. West northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Clear, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 93. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 74. South wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Dahlgren IL
38.19°N 88.64°W
38.19°N 88.64°W
11:46 am CDT Jun 18, 2025
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
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