Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
70°F
21°C
| Humidity | 33% |
| Wind Speed | S 12 mph |
| Barometer | 29.95 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 1:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon

High: 70 °F
Sunny
Tonight

Low: 40 °F
Mostly Clear
Saturday

High: 67 °F
Mostly Sunny
Saturday Night

Low: 36 °F
Partly Cloudy
Sunday

High: 50 °F
Mostly Cloudy
Sunday Night
Low: 35 °F
Showers
Likely then
Rain/Snow
LikelyMonday
High: 45 °F
Chance
Showers then
Slight Chance
ShowersMonday Night

Low: 41 °F
Chance
ShowersTuesday

High: 63 °F
Showers
Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 70. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 40. South wind 5 to 10 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 67. North northeast wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. South southwest wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly cloudy, with a high near 50. Northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain showers likely before midnight, then rain likely, possibly mixed with snow showers between midnight and 3am, then rain showers likely after 3am. Cloudy, with a low around 35. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 45. East wind 8 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41. East wind 7 to 9 mph becoming south after midnight.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 63. South wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 52. South southeast wind 8 to 10 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 68. South southwest wind 11 to 15 mph, with gusts as high as 22 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
12:56 pm CST Feb 27, 2026
2pm CST Feb 27, 2026-6pm CST Mar 5, 2026



