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

3 Miles SE Murphysboro IL

Heat Advisory August 10, 05:09am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 10, 05:09am until August 13, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southwest wind 7 to 9 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 108. Southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Tuesday Night

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

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 10am.  Mostly sunny and hot, with a high near 97. Southwest wind around 8 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 77. South southwest wind 6 to 8 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. South southwest wind around 6 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 107. South southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 77. South southwest wind 7 to 9 mph.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 108. Southwest wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 78. South southwest wind around 9 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny and hot, with a high near 97. Southwest wind around 8 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. South southwest wind around 6 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 93. Southwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 74. Southeast wind 5 to 8 mph.
Saturday
Sunny, with a high near 94. South southwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 5 to 7 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Murphysboro IL
 37.72°N 89.31°W
1:21 am CDT Aug 10, 2026
5am CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
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Additional Resources

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