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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

70°F

21°C

Humidity 33%
Wind Speed S 12 mph
Barometer 29.95 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Feb 1:52 pm CST
Extended Forecast for

3 Miles SW Vergennes IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. South wind 5 to 10 mph becoming north after midnight.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. North northeast wind 5 to 9 mph becoming south in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. South southwest wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50. Northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain showers likely before midnight, then rain likely, possibly mixed with snow showers between midnight and 3am, then rain showers likely after 3am. Cloudy, with a low around 35. East northeast wind around 10 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 45. East wind 8 to 10 mph.

    High: 45 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 41. East wind 7 to 9 mph becoming south after midnight.

    Low: 41 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 63. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 70. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 40. South wind 5 to 10 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 67. North northeast wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. South southwest wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly cloudy, with a high near 50. Northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain showers likely before midnight, then rain likely, possibly mixed with snow showers between midnight and 3am, then rain showers likely after 3am. Cloudy, with a low around 35. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 45. East wind 8 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41. East wind 7 to 9 mph becoming south after midnight.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 63. South wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 52. South southeast wind 8 to 10 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 68. South southwest wind 11 to 15 mph, with gusts as high as 22 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:
12:56 pm CST Feb 27, 2026
Forecast Valid:
2pm CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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