Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

51°F

11°C

Humidity 43%
Wind Speed SW 15 G 22 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 13 Jan 10:52 am CST
Extended Forecast for

3 Miles SW Vergennes IL

  • Today

    Today: Partly sunny, with a high near 62. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 3am.  Mostly cloudy, with a low around 40. West southwest wind 6 to 10 mph becoming northwest after midnight.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 34 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 30 mph.

    High: 45 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. North northwest wind 8 to 13 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south southwest in the afternoon.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 25. South wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 62. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
A 50 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 40. West southwest wind 6 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 34 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 18. North northwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south southwest in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 25. South wind 6 to 16 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 45. West wind 13 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 23. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 33. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 11. Northwest wind around 10 mph.
Sunday
Sunny, with a high near 27. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 13. West southwest wind 8 to 10 mph.
M.L.King Day
Sunny, with a high near 36. West northwest wind 9 to 14 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vergennes IL
 37.86°N 89.39°W
11:11 am CST Jan 13, 2026
11am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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