


Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
56°F
13°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 30.10 in (1019.0 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 7.00 mi |
Last update | 5 Oct 1:52 am CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Overnight
Low: 56 °F
Clear
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 82 °F
Chance
Showers then
Chance
T-stormsMonday Night
Low: 66 °F
Chance
T-storms then
Showers
LikelyTuesday
High: 79 °F
Showers
LikelyTuesday Night
Low: 58 °F
Slight Chance
T-stormsWednesday
High: 75 °F
Mostly Sunny
Wednesday Night
Low: 53 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 56. Calm wind.
Sunday
Sunny, with a high near 85. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.
Monday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 82. South wind 5 to 8 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 58. North wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 75. Northeast wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 53. East northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 77. East northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 52. Light east wind.
Friday
Sunny, with a high near 80. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. Light south southeast wind.
Saturday
Sunny, with a high near 81. Southeast wind 3 to 7 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
1:46 am CDT Oct 5, 2025
2am CDT Oct 5, 2025-6pm CDT Oct 11, 2025