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

29°F

-2°C

Humidity 75%
Wind Speed NE 7 mph
Barometer 30.38 in (1028.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 7 Feb 7:52 am CST
Extended Forecast for

Carbondale IL

  • Today

    Today: Sunny, with a high near 35. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. South southeast wind 5 to 7 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Light southeast wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South southwest wind 6 to 8 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 41. South southwest wind around 7 mph becoming north after midnight.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly before noon. Partly sunny, with a high near 52. North northeast wind 6 to 8 mph.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 35. Northeast wind around 6 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 25. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 45. South southeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 30. Light southeast wind.
Monday
Sunny, with a high near 57. Light and variable wind.
Monday Night
Mostly clear, with a low around 42. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 67. South southwest wind 6 to 8 mph.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 41. South southwest wind around 7 mph becoming north after midnight.
Wednesday
A chance of showers, mainly before noon. Partly sunny, with a high near 52. North northeast wind 6 to 8 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 34. Northeast wind 3 to 5 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 49. East wind 5 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 49. East northeast wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
7:06 am CST Feb 7, 2026
Forecast Valid:
8am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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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