Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
38°F
3°C
| Humidity | 44% |
| Wind Speed | NW 8 mph |
| Barometer | 30.54 in (1034.4 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 11 Jan 3:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon
High: 36 °F
Sunny
Tonight
Low: 24 °F
Clear
Monday
High: 51 °F
Sunny
Monday Night
Low: 35 °F
Mostly Clear
Tuesday
High: 59 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Slight Chance
ShowersWednesday
High: 45 °F
Slight Chance
Showers then
Mostly Cloudy
and BreezyWednesday Night
Low: 19 °F
Mostly Cloudy
and Blustery
then Partly
CloudyThursday
High: 34 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a steady temperature around 36. Light west northwest wind.
Tonight
Clear, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.
Monday
Sunny, with a high near 51. Southwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 59. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Southwest wind 7 to 10 mph becoming west northwest after midnight.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 45. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 34. North northwest wind 6 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 26. South southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 9 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 34. West northwest wind 10 to 14 mph, with gusts as high as 20 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
3:17 pm CST Jan 11, 2026
4pm CST Jan 11, 2026-6pm CST Jan 17, 2026
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