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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

20°F

-7°C

Humidity 65%
Wind Speed NW 12 mph
Barometer 30.48 in (1032.7 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 23 Feb 2:52 am CST
Extended Forecast for

5 Miles NNW Vergennes IL

  • Overnight

    Overnight: Partly cloudy, with a low around 17. North northwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 34. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 34 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South southwest wind 11 to 16 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. West northwest wind around 6 mph becoming south southeast in the afternoon.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before noon. Partly sunny, with a high near 51. East wind 7 to 10 mph becoming northwest in the morning.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. North northwest wind around 15 mph, with gusts as high as 24 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 34. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 49. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 11 to 16 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Wednesday
Partly sunny, with a high near 54. West northwest wind around 6 mph becoming south southeast in the afternoon.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, mainly before noon. Partly sunny, with a high near 51. East wind 7 to 10 mph becoming northwest in the morning.
Thursday Night
Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 38. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 64. South southwest wind 6 to 10 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 35. South wind around 9 mph becoming north in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 52. North northeast wind 8 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Vergennes IL
 37.97°N 89.39°W
Last Update:
2:01 am CST Feb 23, 2026
Forecast Valid:
3am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation