Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Vergennes IL
Overnight
Low: 67 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 69 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 88. Calm wind becoming north northwest 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 64. Light north wind.
Friday
Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Light east wind.
Saturday
Sunny, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 94. Light south wind becoming south southwest 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 69. South wind around 6 mph.
Monday
Sunny, with a high near 96. South southwest wind 6 to 13 mph.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 97. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 74. South wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 97. South southwest wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vergennes IL
37.9°N 89.33°W
37.9°N 89.33°W
11:51 pm CDT Aug 26, 2026
12am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
