Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
69°F
21°C
| Humidity | 55% |
| Wind Speed | SE 6 mph |
| Barometer | 29.89 in (1011.7 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 26 Apr 9:52 pm CDT |
Extended Forecast for
Vergennes IL
Tonight
Low: 61 °F
Partly Cloudy
then Slight
Chance
T-stormsMonday
High: 83 °F
Breezy.
Chance
Showers then
Heavy RainMonday Night
Low: 58 °F
Showers and
BreezyTuesday
High: 77 °F
Sunny then
Chance
T-stormsTuesday Night
Low: 54 °F
Showers
Wednesday
High: 68 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Partly Cloudy
Thursday
High: 69 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Detailed Forecast
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 61. East southeast wind 7 to 9 mph.
Monday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 83. Breezy, with a south southeast wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 50%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. Breezy, with a south southwest wind 17 to 22 mph becoming west 7 to 12 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 77. West northwest wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 54. Southeast wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 68. North northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 44. North northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Light north northwest wind.
Friday
A slight chance of showers after 1pm. Mostly sunny, with a high near 67. Light north wind increasing to 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 43. North northeast wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 67. Light north northeast wind becoming north 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 45. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vergennes IL
37.9°N 89.33°W
37.9°N 89.33°W
7:26 pm CDT Apr 26, 2026
10pm CDT Apr 26, 2026-6pm CDT May 3, 2026
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