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

46°F

8°C

Humidity 63%
Wind Speed NW 17 G 31 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Feb 11:52 am CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Sunny early, then becoming mostly cloudy, with a temperature falling to around 44 by 5pm. North northwest wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 52 °F⇓

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 23. North northwest wind 7 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 35. North northeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 25. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 49. South southwest wind 5 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Light west southwest wind.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Light southwest wind.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South southwest wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly after noon. Mostly cloudy, with a high near 65. South southwest wind 6 to 9 mph.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny early, then becoming mostly cloudy, with a temperature falling to around 44 by 5pm. North northwest wind 13 to 17 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 23. North northwest wind 7 to 10 mph.
Saturday
Sunny, with a high near 35. North northeast wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 25. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 49. South southwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 32. Light west southwest wind.
Monday
Sunny, with a high near 59. Light southwest wind.
Monday Night
Partly cloudy, with a low around 42. South southwest wind 3 to 6 mph.
Tuesday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 65. South southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42. Southwest wind around 8 mph becoming northwest after midnight.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 54. North northwest wind 7 to 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 33. North wind around 6 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 46. North wind around 6 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:
10:46 am CST Feb 6, 2026
Forecast Valid:
12pm CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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