Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
51°F
11°C
| Humidity | 43% |
| Wind Speed | SW 15 G 22 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 13 Jan 10:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Today

High: 62 °F
Partly Sunny
Tonight

Low: 40 °F
Chance
ShowersWednesday

High: 45 °F⇓
Decreasing
Clouds and
BreezyWednesday Night

Low: 18 °F
Mostly Clear
Thursday

High: 32 °F
Sunny
Thursday Night
Low: 25 °F
Partly Cloudy
then Slight
Chance Snow
ShowersFriday

High: 45 °F
Partly Sunny
Friday Night

Low: 23 °F
Mostly Cloudy
Saturday

High: 33 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 62. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
A 50 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 40. West southwest wind 6 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 34 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 18. North northwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 32. 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 25. South wind 6 to 16 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 45. West wind 13 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 23. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 33. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 11. Northwest wind around 10 mph.
Sunday
Sunny, with a high near 27. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 13. West southwest wind 8 to 10 mph.
M.L.King Day
Sunny, with a high near 36. West northwest wind 9 to 14 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
11:11 am CST Jan 13, 2026
11am CST Jan 13, 2026-6pm CST Jan 19, 2026


