Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
35°F
2°C
| Humidity | 64% |
| Wind Speed | NW 14 G 22 mph |
| Barometer | 30.26 in (1025.0 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 11 Jan 1:52 am CST |
Extended Forecast for
4 Miles SW Vergennes IL
Overnight

Low: 27 °F
Mostly Clear
Sunday

High: 39 °F
Sunny
Sunday Night

Low: 26 °F
Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 36 °F
Mostly Clear
Tuesday

High: 59 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday
High: 45 °F
Partly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 27. West northwest wind 14 to 16 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 39. Northwest wind 6 to 16 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 26. Calm wind becoming south southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 51. South southwest wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 36. South southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 59. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. West wind 7 to 10 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 45. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 19. North northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 37. North northwest wind 5 to 9 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. South wind 6 to 10 mph.
Friday
Partly sunny, with a high near 44. West wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 35. West wind 8 to 13 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
1:41 am CST Jan 11, 2026
2am CST Jan 11, 2026-6pm CST Jan 17, 2026



