Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
70°F
21°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.04 in (1017.0 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 4.00 mi |
| Last update | 14 Oct 10:52 pm CDT |
Extended Forecast for
Vergennes IL
Tonight
Low: 71 °F
Chance
T-stormsThursday
High: 88 °F
Showers
LikelyThursday Night
Low: 51 °F
Chance
Showers then
Showers
LikelyFriday
High: 58 °F
Breezy.
Slight Chance
Showers then
Mostly SunnyFriday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 37 °F
Clear
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a steady temperature around 71. Calm wind.
Thursday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 51. South southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 40. North northwest wind 10 to 16 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 62. North wind 6 to 10 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Mostly sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. Calm wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vergennes IL
37.9°N 89.33°W
37.9°N 89.33°W
10:16 pm CDT Oct 14, 2026
11pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
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