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 48%
Wind Speed S 6 mph
Barometer 30.22 in (1022.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 1:52 pm CDT
Extended Forecast for

Murphysboro IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 86. Calm wind becoming south around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: A slight chance of sprinkles before 9pm. Clear, with a low around 59. Light south wind.

    Low: 59 °F

    Slight Chance
    Sprinkles

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. South southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 86. Calm wind becoming south around 5 mph.
Tonight
A slight chance of sprinkles before 9pm. Clear, with a low around 59. Light south wind.
Saturday
Sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 58. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Light south southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Light southeast wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 58. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 75. Northeast wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 75. East wind around 7 mph.
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:
2:31 pm CDT Oct 3, 2025
Forecast Valid:
2pm CDT Oct 3, 2025-6pm CDT Oct 9, 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