National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

45°F

7°C

Humidity 86%
Wind Speed Calm
Barometer 29.97 in (1014.7 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Last update 11 Nov 3:52 am CST
Extended Forecast for

Vergennes IL

  • Veterans Day

    Veterans Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 73 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North northwest wind 5 to 11 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 46. North northwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Light north northeast wind.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming east around 5 mph.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 41. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 52. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 31. North northwest wind 5 to 11 mph.
Friday
Sunny, with a high near 46. North northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 49. Light north northeast wind.
Saturday Night
Mostly clear, with a low around 25. Calm wind.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming east around 5 mph.
Sunday Night
Partly cloudy, with a low around 28. Calm wind.
Monday
Mostly sunny, with a high near 52. Calm wind becoming east around 6 mph.
Monday Night
Mostly clear, with a low around 28. Calm wind.
Tuesday
Sunny, with a high near 55. Calm wind becoming east around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vergennes IL
 37.9°N 89.36°W
Last Update:
4:16 am CST Nov 11, 2026
Forecast Valid:
4am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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Additional Resources

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