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

24°F

-4°C

Humidity 81%
Wind Speed N 10 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 2 Dec 7:52 am CST
Extended Forecast for

Carbondale IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 33 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 23. Light south wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. South southwest wind 5 to 9 mph becoming light in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 20 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Light southwest wind.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 23. Light south wind.
Wednesday
Mostly sunny, with a high near 42. South southwest wind 5 to 9 mph becoming light in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 21. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 29. North wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 17. Calm wind.
Friday
Mostly sunny, with a high near 38. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 25. Light southwest wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 27. Calm wind becoming east northeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 38. North wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 22. North wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 39. Light and variable wind becoming west southwest around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
5:51 am CST Dec 2, 2025
Forecast Valid:
8am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation