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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast and Windy

68°F

20°C

Humidity 76%
Wind Speed S 26 G 40 mph
Barometer 29.63 in (1003.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 8 Jan 6:52 pm CST
Extended Forecast for

4 Miles NNW Vergennes IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 1am. Low around 51. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a temperature falling to around 51 by 8am. West wind 6 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 24 mph.

    High: 54 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 47. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 47 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South southwest wind 7 to 10 mph.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 1am. Low around 51. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a temperature falling to around 51 by 8am. West wind 6 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 47. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 26. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 35. Northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 47. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 54. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 6 to 9 mph becoming west northwest after midnight.
Wednesday
Mostly cloudy, with a high near 44. Northwest wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 25. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 38. North northwest wind 6 to 8 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Vergennes IL
 37.95°N 89.39°W
Last Update:
5:21 pm CST Jan 8, 2026
Forecast Valid:
7pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation