Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
58°F
14°C
| Humidity | 90% |
| Wind Speed | W 8 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 25 Nov 11:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon
High: 61 °F
Mostly Cloudy
Tonight
Low: 36 °F
Decreasing
CloudsWednesday
High: 46 °F
Sunny and
Breezy then
SunnyWednesday Night
Low: 29 °F
Partly Cloudy
Thanksgiving Day
High: 44 °F
Sunny
Thursday Night
Low: 22 °F
Mostly Clear
Friday
High: 41 °F
Mostly Sunny
Friday Night
Low: 31 °F
Mostly Cloudy
then Chance
Rain/SnowSaturday
High: 43 °F
Rain/Snow
Likely
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 61. West wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Sunny, with a high near 46. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 6 to 9 mph.
Thanksgiving Day
Sunny, with a high near 44. West northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41. Calm wind becoming east around 5 mph.
Friday Night
A chance of rain and snow showers after midnight. Mostly cloudy, with a low around 31. Southeast wind 3 to 8 mph.
Saturday
Rain likely, possibly mixed with snow showers. Cloudy, with a high near 43. South southeast wind around 10 mph.
Saturday Night
Showers likely, mainly before midnight. Cloudy, with a low around 32. South southeast wind 8 to 10 mph becoming northwest after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 44. Northwest wind around 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 31. Southeast wind around 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 44. South wind 8 to 10 mph becoming north 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
10:46 am CST Nov 25, 2025
12pm CST Nov 25, 2025-6pm CST Dec 1, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
