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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

47°F

8°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 12:52 am CST
Extended Forecast for

4 Miles SW Vergennes IL

  • Overnight

    Overnight: Mostly clear, with a low around 46. Light southwest wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, then gradually becoming sunny, with a high near 73. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 23 mph.

    High: 73 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northwest wind 9 to 13 mph, with gusts as high as 18 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: Mostly clear, with a low around 32. North northwest wind 6 to 11 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. North northwest wind 7 to 13 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 48. Light north northeast wind.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 46. Light southwest wind.
Veterans Day
Partly sunny, then gradually becoming sunny, with a high near 73. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 52. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 32. North northwest wind 6 to 11 mph.
Friday
Sunny, with a high near 46. North northwest wind 7 to 13 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 48. Light north northeast wind.
Saturday Night
Mostly clear, with a low around 26. Calm wind.
Sunday
Mostly sunny, with a high near 51. Calm wind becoming east around 5 mph.
Sunday Night
Partly cloudy, with a low around 29. 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 29. Calm wind.
Tuesday
Sunny, with a high near 55. Calm wind becoming east northeast around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Vergennes IL
 37.86°N 89.39°W
Last Update:
12:46 am CST Nov 11, 2026
Forecast Valid:
1am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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