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

70°F

21°C

Humidity 42%
Wind Speed SW 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 9 Nov 3:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Light south wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. Light southwest wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light west wind.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Northwest wind 13 to 15 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North northwest wind 5 to 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Light south wind.
Tonight
Clear, with a low around 43. Light southwest wind.
Tuesday
Sunny, with a high near 70. Light west wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Veterans Day
A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 44. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 54. Northwest wind 13 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 32. North northwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 28. Light north northwest wind.
Saturday
Sunny, with a high near 52. Light north northwest wind.
Saturday Night
Mostly clear, with a low around 32. Calm wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
4:00 pm CST Nov 9, 2026
Forecast Valid:
4pm CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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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