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.

Overcast

37°F

3°C

Humidity 65%
Wind Speed N 15 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Wind Chill28°F (-2°C)
Last update 3 Feb 1:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 38. North wind 8 to 10 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. North wind 6 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 31. North wind 6 to 9 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. South southwest wind 6 to 9 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. West southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North northwest wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Light and variable wind becoming east around 5 mph.

    High: 42 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 38. North wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 23. North wind 6 to 8 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 31. North wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 30. South southwest wind 6 to 9 mph.
Friday
Sunny, with a high near 52. West southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 26. North northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 42. Light and variable wind becoming east around 5 mph.
Saturday Night
Partly cloudy, with a low around 29. South southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 49. South southeast wind around 6 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Light northeast wind.
Monday
Mostly sunny, with a high near 48. Calm wind becoming southeast around 5 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:
1:12 pm CST Feb 3, 2026
Forecast Valid:
2pm CST Feb 3, 2026-6pm CST Feb 9, 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