National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

47°F

8°C

Humidity 54%
Wind Speed NE 10 mph
Barometer 30.36 in (1028.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Apr 6:52 am CDT
Extended Forecast for

5 Miles NNW Vergennes IL

  • Today

    Today: Partly sunny, with a high near 57. East northeast wind 8 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind around 8 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. South southwest wind 6 to 10 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming light and variable in the evening.

    Low: 56 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 79. East wind 5 to 7 mph becoming south in the afternoon.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 57. East northeast wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 38. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind around 8 mph.
Thursday
Sunny, with a high near 76. South wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. South wind around 7 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. South southwest wind 6 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 79. East wind 5 to 7 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 82. South wind 7 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 14 to 18 mph, with gusts as high as 26 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:
4:06 am CDT Apr 7, 2026
Forecast Valid:
7am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

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