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.

Fair

12°F

-11°C

Humidity 70%
Wind Speed NW 3 mph
Barometer 30.40 in (1030.1 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 28 Jan 1:52 am CST
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Partly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 30. Wind chill values as low as -5. Calm wind becoming west 5 to 7 mph in the morning.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 28. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 28 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. North wind around 6 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20. North wind 6 to 10 mph.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. North wind 6 to 9 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Northwest wind 6 to 10 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. North northwest wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 1. Calm wind.
Wednesday
Sunny, with a high near 30. Wind chill values as low as -5. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 13. Light and variable wind.
Thursday
Mostly cloudy, with a high near 28. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 10. North wind around 6 mph.
Friday
Partly sunny, with a high near 20. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 4. North wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 16. Northwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 2. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 25. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 13. South southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 34. Southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 18. Light southwest wind.
Tuesday
Mostly cloudy, with a high near 35. South wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
12:36 am CST Jan 28, 2026
Forecast Valid:
2am CST Jan 28, 2026-6pm CST Feb 3, 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