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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

43°F

6°C

Humidity 74%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Jan 1:52 am CST
Extended Forecast for

3 Miles SW Vergennes IL

  • Overnight

    Overnight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. South southeast wind 5 to 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after noon. Cloudy, with a high near 66. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 56. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 64. South southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43. North wind 6 to 9 mph.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 45. South southeast wind 5 to 7 mph.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 66. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 56. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 64. South southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. North wind 6 to 9 mph.
Saturday
Partly sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 37. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 22. Northwest wind around 6 mph becoming light and variable.
Monday
Sunny, with a high near 45. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 30. South southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 51. Southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vergennes IL
 37.86°N 89.39°W
Last Update:
1:46 am CST Jan 7, 2026
Forecast Valid:
2am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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Additional Resources

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Chance of Precipitation