Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
41°F
5°C
| Humidity | 39% |
| Wind Speed | NW 17 G 37 mph |
| Barometer | 29.93 in (1013.5 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 14 Jan 2:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon
High: 44 °F
Sunny and
BreezyTonight
Low: 19 °F
Clear and
Blustery then
ClearThursday
High: 34 °F
Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersFriday
High: 46 °F
Partly Sunny
Friday Night
Low: 23 °F
Mostly Cloudy
Saturday
High: 29 °F
Partly Sunny
Saturday Night
Low: 10 °F
Partly Cloudy
Sunday
High: 26 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 44. Breezy, with a north northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Tonight
Clear, with a low around 19. Blustery, with a north northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 34. Northwest wind 6 to 8 mph becoming south southwest in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 26. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 29. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 10. Northwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 26. West northwest wind 7 to 11 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 16. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
M.L.King Day
Mostly sunny, with a high near 29. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 33. West wind 5 to 10 mph becoming south southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
3:16 pm CST Jan 14, 2026
3pm CST Jan 14, 2026-6pm CST Jan 20, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
