Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
45°F
7°C
| Humidity | 93% |
| Wind Speed | W 7 mph |
| Barometer | 29.75 in (1007.4 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 14 Jan 5:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 43 °F⇓
Gradual
Clearing and
BreezyTonight
Low: 19 °F
Clear
Thursday
High: 33 °F
Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 46 °F
Partly Sunny
Friday Night
Low: 22 °F
Mostly Cloudy
Saturday
High: 31 °F
Partly Sunny
Saturday Night
Low: 11 °F
Partly Cloudy
Sunday
High: 27 °F
Mostly Sunny
Detailed Forecast
Today
Cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Breezy, with a north northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Clear, with a low around 19. Northwest wind 8 to 16 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 26. South wind 6 to 15 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 31. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 11. North northwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 16. West southwest wind around 10 mph, with gusts as high as 18 mph.
M.L.King Day
Mostly sunny, with a high near 34. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 13. West northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 35. West southwest wind 5 to 9 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
3:16 am CST Jan 14, 2026
6am CST Jan 14, 2026-6pm CST Jan 20, 2026
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