Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

29°F

-2°C

Humidity 78%
Wind Speed N 13 mph
Barometer 30.29 in (1026.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 8 Dec 4:52 am CST
Extended Forecast for

3 Miles SW Vergennes IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm  in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Light and variable wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. South southwest wind around 15 mph, with gusts as high as 22 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 42. Southwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. West southwest wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. North northwest wind 3 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. Light and variable wind becoming south southwest 5 to 8 mph in the morning.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. South wind 6 to 9 mph becoming north northwest after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 26. Light and variable wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 50. South southwest wind around 15 mph, with gusts as high as 22 mph.
Tuesday Night
Increasing clouds, with a low around 42. Southwest wind 15 to 18 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 50. West southwest wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 27. North northwest wind 3 to 8 mph.
Thursday
Mostly cloudy, with a high near 39. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 24. South wind 6 to 9 mph becoming north northwest after midnight.
Friday
Partly sunny, with a high near 36. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 11. North northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 23. North wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 12. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 29. North northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vergennes IL
 37.86°N 89.39°W
5:01 am CST Dec 8, 2025
5am CST Dec 8, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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