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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

26°F

-3°C

Humidity 69%
Wind Speed S 7 mph
Barometer 30.22 in (1024.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 2 Feb 12:52 am CST
Extended Forecast for

3 Miles SW Vergennes IL

  • Overnight

    Overnight: Partly cloudy, with a low around 17. South southwest wind 6 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. Southwest wind around 5 mph becoming light and variable.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Light south southeast wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, snow, and freezing rain before noon, then a chance of snow and freezing rain between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 36. Calm wind becoming north northeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 36 °F

    Chance Wintry
    Mix

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. North wind around 7 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind around 7 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. North northwest wind around 5 mph becoming calm in the evening.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Calm wind becoming south 5 to 8 mph in the morning.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southwest wind 8 to 10 mph.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. South southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 38. Southwest wind around 5 mph becoming light and variable.
Monday Night
Mostly cloudy, with a low around 25. Light south southeast wind.
Tuesday
A chance of rain, snow, and freezing rain before noon, then a chance of snow and freezing rain between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 36. Calm wind becoming north northeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 19. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 30. North wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 13. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 29. Southwest wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 8 to 11 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 21. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 36. North wind 5 to 7 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 24. East wind 6 to 8 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 41. South southeast wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vergennes IL
 37.86°N 89.39°W
Last Update:
10:06 pm CST Feb 1, 2026
Forecast Valid:
1am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation