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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Thunderstorm in Vicinity Light Rain

77°F

25°C

Humidity 77%
Wind Speed SW 13 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 9:52 pm CDT
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Southwest wind 6 to 9 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. West northwest wind around 7 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 9 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 6 to 9 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Southwest wind 6 to 9 mph.
Juneteenth
Sunny, with a high near 85. West northwest wind around 7 mph.
Thursday Night
Clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 7 mph.
Saturday
Sunny, with a high near 92. South wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 9 mph.
Sunday
Sunny, with a high near 93. South wind 6 to 9 mph.
Sunday Night
Clear, with a low around 75. South wind 3 to 6 mph.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.37°W
Last Update:
8:00 pm CDT Jun 18, 2025
Forecast Valid:
10pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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