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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 51%
Wind Speed SW 10 G 25 mph
Barometer 30.24 in (1023.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Apr 9:52 am CDT
Extended Forecast for

3 Miles SW Vergennes IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Southeast wind 6 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. South southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 16 mph, with gusts as high as 24 mph.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind 6 to 8 mph.
Sunday
Partly sunny, with a high near 81. South southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 16 mph, with gusts as high as 24 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. South southwest wind 8 to 11 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 8 to 11 mph, with gusts as high as 18 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:
8:57 am CDT Apr 10, 2026
Forecast Valid:
10am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation