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.

Fair

64°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 29.98 in (1014.9 mb)
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 21 Sep 1:52 am CDT
Extended Forecast for

2 Miles S Carbondale/Murphysboro, Southern Illinois Airport IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 85. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 64. South wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. South wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. East southeast wind 5 to 8 mph.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind around 6 mph.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 65. Light south wind.
Sunday
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 85. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 64. South wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. South wind 3 to 6 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. East southeast wind 5 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. North wind 6 to 9 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58. North northwest wind 3 to 6 mph.
Friday
A chance of showers. Mostly sunny, with a high near 76. North northwest wind 5 to 8 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers. Mostly sunny, with a high near 78. North wind 3 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Carbondale/Murphysboro, Southern Illinois Airport IL
 37.77°N 89.26°W
Last Update:
1:16 am CDT Sep 21, 2025
Forecast Valid:
2am CDT Sep 21, 2025-6pm CDT Sep 27, 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