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.

Fair

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 30.33 in (1026.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 11:52 pm CDT
Extended Forecast for

5 Miles NNW Vergennes IL

  • Overnight

    Overnight: Clear, with a low around 44. Calm wind becoming northeast around 5 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72. East northeast wind 5 to 8 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. East northeast wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. East southeast wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Southeast wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 44. Calm wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 72. East northeast wind 5 to 8 mph.
Thursday Night
Clear, with a low around 41. East northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 74. Light and variable wind.
Friday Night
Partly cloudy, with a low around 54. Calm wind.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 53. East southeast wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 57. Southeast wind 3 to 7 mph.
Columbus Day
Mostly sunny, with a high near 79. South wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming east southeast 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 56. East wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
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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:
11:46 pm CDT Oct 8, 2025
Forecast Valid:
12am CDT Oct 9, 2025-6pm CDT Oct 15, 2025
 
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