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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

79°F

26°C

Humidity 74%
Wind Speed SW 8 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 1:52 pm CDT
Extended Forecast for

3 Miles WNW Wolf Lake IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 82. South wind around 6 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Low around 68. Light and variable wind. Chance of precipitation is 80%.

    Low: 68 °F

    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 67. Light north wind.

    Low: 67 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Light north northeast wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 82. South wind around 6 mph.
Tonight
Showers and thunderstorms, mainly before 1am. Low around 68. Light and variable wind. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 67. Light north wind.
Friday
Mostly sunny, with a high near 88. Calm wind.
Friday Night
Mostly clear, with a low around 67. Calm wind.
Saturday
Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. Light north northeast wind.
Sunday
Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 65. Light east wind.
Monday
A slight chance of showers. Mostly sunny, with a high near 86. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 67. East southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 90. Southeast wind 3 to 6 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Wolf Lake IL
 37.55°N 89.49°W
Last Update:
1:26 pm CDT Aug 19, 2026
Forecast Valid:
2pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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