


Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Mostly Cloudy
77°F
25°C
Humidity | 96% |
Wind Speed | S 10 mph |
Barometer | 29.87 in |
Dewpoint | 76°F (24°C) |
Visibility | 7.00 mi |
Heat Index | 78°F (26°C) |
Last update | 18 Jun 6:56 am CDT |
Extended Forecast for
3 Miles NNE Dahlgren IL
Lake Wind Advisory June 18, 11:00am until June 18, 07:00pm
Today
High: 87 °F
Chance
T-storms then
Severe
ThunderstormsTonight
Low: 69 °F
Severe
ThunderstormsJuneteenth
High: 84 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 94 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. South southwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely 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 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Juneteenth
Mostly 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
Mostly 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 around 7 mph.
Sunday
Sunny, with a high near 94. 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 5 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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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Dahlgren IL
38.24°N 88.66°W
38.24°N 88.66°W
7:31 am CDT Jun 18, 2025
7am CDT Jun 18, 2025-6pm CDT Jun 24, 2025