Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
12°F
-11°C
| Humidity | 70% |
| Wind Speed | NW 3 mph |
| Barometer | 30.40 in (1030.1 mb) |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Last update | 28 Jan 1:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Overnight
Low: 1 °F
Mostly Clear
Wednesday
High: 29 °F
Sunny
Wednesday Night
Low: 11 °F
Mostly Cloudy
Thursday
High: 27 °F
Mostly Cloudy
Thursday Night
Low: 9 °F
Mostly Cloudy
Friday
High: 19 °F
Partly Sunny
Friday Night
Low: 2 °F
Partly Cloudy
Saturday
High: 16 °F
Mostly Sunny
Saturday Night
Low: 1 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 1. Light west wind.
Wednesday
Sunny, with a high near 29. Wind chill values as low as -6. Calm wind becoming west 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 11. Light and variable wind.
Thursday
Mostly cloudy, with a high near 27. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 9. North northeast wind around 6 mph.
Friday
Partly sunny, with a high near 19. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 2. North wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 16. Northwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 1. West northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 25. West wind 5 to 7 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 13. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 34. Southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 17. South southwest wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 35. South southeast wind 5 to 7 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
2:31 am CST Jan 28, 2026
2am CST Jan 28, 2026-6pm CST Feb 3, 2026
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