Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
41°F
5°C
| Humidity | 82% |
| Wind Speed | SW 12 G 26 mph |
| Barometer | 29.70 in (1006.0 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 10 Dec 1:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Overnight
Low: 44 °F
Cloudy
Wednesday
High: 45 °F⇓
Mostly Cloudy
and BreezyWednesday Night
Low: 25 °F
Mostly Cloudy
Thursday
High: 39 °F
Partly Sunny
Thursday Night
Low: 35 °F
Mostly Cloudy
Friday
High: 46 °F
Mostly Sunny
Friday Night
Low: 21 °F
Mostly Cloudy
Saturday
High: 37 °F
Partly Sunny
Saturday Night
Low: 11 °F
Mostly Cloudy
Detailed Forecast
Overnight
Cloudy, with a steady temperature around 44. Southwest wind 16 to 18 mph, with gusts as high as 31 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a west southwest wind 13 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 39 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Partly sunny, with a high near 39. Light and variable wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 35. South wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 46. Southwest wind 8 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 21. North northwest wind 5 to 9 mph.
Saturday
Partly sunny, with a high near 37. North northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 11. North wind 6 to 10 mph.
Sunday
Sunny, with a high near 25. North wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 13. North northeast wind around 6 mph becoming light and variable.
Monday
Mostly sunny, with a high near 37. South wind 5 to 9 mph.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. South southwest wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 45. South wind 6 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
1:31 am CST Dec 10, 2025
2am CST Dec 10, 2025-6pm CST Dec 16, 2025
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