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.

A Few Clouds

64°F

18°C

Humidity 73%
Wind Speed S 12 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 10 Feb 12:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 68. Southwest wind around 9 mph becoming north northwest.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 10 mph.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 49. North wind 3 to 6 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Light east southeast wind.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Cloudy, with a high near 52. East southeast wind 3 to 7 mph.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 68. Southwest wind around 9 mph becoming north northwest.
Tonight
A 30 percent chance of showers, mainly between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 10 mph.
Wednesday
Sunny, with a high near 49. North wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 39. Light east southeast wind.
Saturday
A chance of showers. Cloudy, with a high near 52. East southeast wind 3 to 7 mph.
Saturday Night
Showers likely. Cloudy, with a low around 45. East wind around 8 mph.
Sunday
A chance of showers. Partly sunny, with a high near 56. North wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 60. Calm wind becoming south southeast around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
12:27 pm CST Feb 10, 2026
Forecast Valid:
1pm CST Feb 10, 2026-6pm CST Feb 16, 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