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.

Fog/Mist

75°F

24°C

Humidity 90%
Wind Speed NE 5 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 20 Aug 7:52 am CDT
Extended Forecast for

2 Miles N Vergennes IL

  • Today

    Today: Mostly sunny, with a high near 89. North northeast wind 6 to 11 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. North northeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. North northeast wind 6 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. North northeast wind 5 to 9 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. North wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. North wind 5 to 10 mph.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. North northeast wind 6 to 11 mph.
Tonight
Mostly clear, with a low around 66. North northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 88. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 64. North northeast wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming north northeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 87. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 57. North northwest wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 80. Calm wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Vergennes IL
 37.93°N 89.33°W
Last Update:
5:31 am CDT Aug 20, 2025
Forecast Valid:
7am CDT Aug 20, 2025-6pm CDT Aug 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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