Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair and Breezy

37°F

3°C

Humidity 42%
Wind Speed S 22 G 33 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 24 Feb 10:52 am CST
Extended Forecast for

3 Miles SW Vergennes IL

  • Today

    Today: Mostly cloudy, with a high near 49. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 16 to 21 mph becoming light and variable  after midnight. Winds could gust as high as 32 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Calm wind becoming northeast around 5 mph.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after midnight.  Mostly cloudy, with a low around 39. Northeast wind 5 to 8 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Partly sunny, with a high near 52. East northeast wind 7 to 10 mph becoming north in the afternoon.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. South southwest wind 6 to 10 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 55. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Northeast wind 5 to 8 mph.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 7 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 31. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 49. Northeast wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 34. East northeast wind around 10 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. East wind 9 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vergennes IL
 37.86°N 89.39°W
10:47 am CST Feb 24, 2026
11am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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