Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

30°F

-1°C

Humidity 45%
Wind Speed NE 7 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 29 Jan 12:52 pm CST
Extended Forecast for

Carbondale IL

Cold Weather Advisory January 31, 12:00am until January 31, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 31. Northeast wind around 6 mph.

    High: 31 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries between midnight and 4am.  Cloudy, with a low around 11. North northeast wind around 6 mph.

    Low: 11 °F

    Chance
    Flurries

  • Friday

    Friday: Partly sunny, with a high near 19. Wind chill values as low as zero. North wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 19 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Wind chill values as low as -8. North northwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. South southwest wind 3 to 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. Light and variable wind becoming west 5 to 7 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 31. Northeast wind around 6 mph.
Tonight
A chance of flurries between midnight and 4am. Cloudy, with a low around 11. North northeast wind around 6 mph.
Friday
Partly sunny, with a high near 19. Wind chill values as low as zero. North wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 6. Wind chill values as low as -8. North northwest wind around 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 18. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 27. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 18. South southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 36. Light and variable wind becoming west 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 21. Light and variable wind.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 38. South wind 3 to 6 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. South wind around 6 mph becoming northwest after midnight.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 35. North northwest wind 5 to 7 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
1:02 pm CST Jan 29, 2026
1pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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