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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed S 6 mph
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 25 Jul 9:52 am CDT
Extended Forecast for

2 Miles N Murphysboro IL

Heat Advisory July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 86. South southwest wind 3 to 5 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 72. Calm wind.

    Low: 72 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 105. Calm wind.

    High: 93 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Southwest wind 3 to 8 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southwest wind 5 to 8 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. West wind 5 to 8 mph becoming north in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the morning.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 86. South southwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 72. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 105. Calm wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 97. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 78. South southwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 95. West wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. North wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. Light and variable wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Murphysboro IL
 37.79°N 89.34°W
Last Update:
8:36 am CDT Jul 25, 2026
Forecast Valid:
10am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation