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

33°F

1°C

Humidity 45%
Wind Speed W 8 mph
Barometer 30.27 in (1025.6 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 30 Dec 2:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. Southwest wind around 8 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. West southwest wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West northwest wind 5 to 8 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 47. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 47 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. North northeast wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. North northeast wind around 6 mph becoming calm in the afternoon.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. Southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 27. West southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 43. West northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 27. Light and variable wind.
New Year's Day
Partly sunny, with a high near 41. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
Cloudy, with a high near 47. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 28. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. North northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 27. Calm wind.
Sunday
Partly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 35. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 53. West southwest wind 6 to 8 mph becoming northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
3:16 pm CST Dec 30, 2025
Forecast Valid:
3pm CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation