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

67°F

19°C

Humidity 30%
Wind Speed S 6 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Nov 1:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. South southeast wind around 6 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. South southeast wind 3 to 7 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 73. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southwest wind 7 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Southwest wind 6 to 9 mph becoming north after midnight.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. North northwest wind 3 to 7 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon. Mostly sunny, with a high near 61. Calm wind becoming east southeast 5 to 8 mph in the morning.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 65. South southeast wind around 6 mph.
Tonight
Increasing clouds, with a low around 47. South southeast wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 73. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 59. South southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 75. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 46. Southwest wind 6 to 9 mph becoming north after midnight.
Sunday
Sunny, with a high near 61. North northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 61. Calm wind becoming east southeast 5 to 8 mph in the morning.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 49. East southeast wind around 7 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 65. Southeast wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46. Southeast wind 3 to 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 61. South wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
2:31 pm CST Nov 13, 2025
Forecast Valid:
2pm CST Nov 13, 2025-6pm CST Nov 19, 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