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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles E Makanda IL

Heat Advisory August 11, 02:38am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 11, 02:38am until August 13, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Southwest wind around 9 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. South southwest wind 7 to 9 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. South southwest wind around 7 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Southwest wind around 7 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Southeast wind around 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. East northeast wind 3 to 5 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South wind around 8 mph.
Tuesday
Sunny, with a high near 96. Southwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 78. South southwest wind 7 to 9 mph.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 78. South southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 96. Southwest wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 76. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 95. East northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 75. East wind 3 to 5 mph.
Saturday
Sunny and hot, with a high near 97. South southwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 77. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 99. West southwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming light and variable in the evening.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. North northwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Makanda IL
 37.63°N 89.15°W
Last Update:
1:21 am CDT Aug 11, 2026
Forecast Valid:
2am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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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