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

27°F

-3°C

Humidity 89%
Wind Speed S 7 mph
Barometer 29.93 in (1014.0 mb)
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Wind Chill19°F (-7°C)
Last update 5 Feb 11:52 pm CST
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Mostly clear, with a low around 28. West southwest wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. West southwest wind 6 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. North northwest wind 7 to 10 mph.

    Low: 25 °F

    Mostly 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: Partly cloudy, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. South wind 6 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South southeast wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 47. West southwest wind 6 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 25. 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
Partly cloudy, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 49. South wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 30. South southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 56. Light and variable wind.
Monday Night
Mostly clear, with a low around 40. South wind 3 to 6 mph.
Tuesday
A slight chance of showers after noon. Mostly cloudy, with a high near 62. South southwest wind 6 to 8 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46. South southwest wind around 7 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 58. West southwest wind around 8 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38. West northwest wind around 6 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 51. West northwest wind 6 to 8 mph becoming east southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
11:06 pm CST Feb 5, 2026
Forecast Valid:
11pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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