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

Carbondale/Murphysboro, Southern Illinois Airport IL

Extreme Heat Warning July 28, 04:28am until July 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 28, 04:28am until July 28, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Today

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Northeast wind 3 to 8 mph.

    Low: 69 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming north 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Light east wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 87. Calm wind becoming south around 6 mph in the morning.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 68. South southeast wind around 5 mph becoming calm.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 96. Heat index values as high as 109. West wind 5 to 9 mph becoming north in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Northeast wind 3 to 8 mph.
Wednesday
Sunny, with a high near 89. Calm wind becoming north 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Light east wind.
Thursday Night
Partly cloudy, with a low around 68. Light and variable wind.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming south around 6 mph in the morning.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South southeast wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South southeast wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 67. North wind 5 to 9 mph becoming light.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. North wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 67. North northeast wind 5 to 7 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming east northeast around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
 37.77°N 89.26°W
1:26 am CDT Jul 28, 2026
4am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
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Additional Resources

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