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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

85°F

29°C

Humidity 57%
Wind Speed S 6 mph
Barometer 30.15 in (1020.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 6 Aug 6:52 pm CDT
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light south southeast wind.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming south around 6 mph in the morning.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 72. South southeast wind 3 to 6 mph.

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South wind 5 to 7 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 72. South southeast wind 3 to 6 mph.

    Low: 72 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92. South wind 5 to 7 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 91. Light south southeast wind.
Thursday Night
Mostly clear, with a low around 70. Light south southeast wind.
Friday
Sunny, with a high near 92. Calm wind becoming south around 6 mph in the morning.
Friday Night
Clear, with a low around 72. South southeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 92. South wind 5 to 7 mph.
Saturday Night
Clear, with a low around 72. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 92. South wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 93. South southwest wind 3 to 7 mph.
Monday Night
A slight chance of showers. Mostly clear, with a low around 74. South wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 3 to 7 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.31°W
Last Update:
5:47 pm CDT Aug 6, 2025
Forecast Valid:
7pm CDT Aug 6, 2025-6pm CDT Aug 13, 2025
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation