Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

48°F

9°C

Humidity 54%
Wind Speed NE 10 mph
Barometer 30.41 in (1029.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Apr 8:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: Partly sunny, with a high near 59. East northeast wind 8 to 10 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. East southeast wind 5 to 7 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind around 8 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78. South wind 6 to 9 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Light and variable wind becoming south around 6 mph in the morning.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. East northeast wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 40. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 74. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind around 8 mph.
Thursday
Sunny, with a high near 76. South wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. South wind around 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. South wind 6 to 9 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Light and variable wind becoming south around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
7:52 am CDT Apr 7, 2026
9am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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