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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Patchy drizzle. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy
    Drizzle

  • Thursday

    Thursday: Patchy drizzle before 9am. Partly sunny, with a high near 73. North northeast wind 3 to 5 mph.

    High: 73 °F

    Patchy
    Drizzle then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Light northeast wind.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 74. Light east northeast wind.

    High: 74 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Light east wind.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy drizzle. Partly cloudy, with a low around 57. Calm wind.
Thursday
Patchy drizzle before 9am. Partly sunny, with a high near 73. North northeast wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 56. Light north wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58. Light northeast wind.
Saturday
Mostly cloudy, with a high near 74. Light east northeast wind.
Saturday Night
Mostly cloudy, with a low around 57. Calm wind.
Sunday
Partly sunny, with a high near 76. Light east wind.
Sunday Night
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 79. Light east wind.
Monday Night
Mostly clear, with a low around 58. Calm wind.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind 3 to 8 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 6 to 10 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind around 14 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
2:51 am CDT Sep 24, 2026
Forecast Valid:
3am CDT Sep 24, 2026-6pm CDT Sep 30, 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