Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
34°F
1°C
| Humidity | 59% |
| Wind Speed | W 5 mph |
| Barometer | 30.30 in (1026.5 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 21 Feb 9:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
Tonight
Low: 23 °F
Mostly Clear
Sunday
High: 33 °F
Mostly Sunny
and BreezySunday Night
Low: 17 °F
Partly Cloudy
Monday
High: 33 °F
Sunny
Monday Night
Low: 18 °F
Mostly Clear
Tuesday
High: 50 °F
Partly Sunny
Tuesday Night
Low: 43 °F
Mostly Cloudy
Wednesday
High: 59 °F
Mostly Cloudy
Wednesday Night
Low: 38 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 23. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 33. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 17. North northwest wind around 17 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 33. North northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 50. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 43. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 59. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 38. Southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Thursday
A chance of showers. Partly sunny, with a high near 52. West northwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind around 7 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 58. South southwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 39. South southwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 61. South southwest wind 9 to 13 mph becoming west in the afternoon. Winds could gust 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
10:21 pm CST Feb 21, 2026
10pm CST Feb 21, 2026-6pm CST Feb 28, 2026
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