Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

50°F

10°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Wind Chill48°F (9°C)
Last update 26 Dec 11:52 pm CST
Extended Forecast for

Carbondale IL

Dense Fog Advisory until December 27, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 27, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Tonight

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a temperature rising to around 66 by 5am. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 3pm.  Cloudy, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible.  Low around 24. Southwest wind around 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 90%.

    Low: 24 °F

    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Sunny, with a high near 29. West northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. Northwest wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 36 °F

    Sunny

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Light north wind.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a temperature rising to around 66 by 5am. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Showers likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible. Low around 24. Southwest wind around 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Monday
Sunny, with a high near 29. West northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 36. Northwest wind 6 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 44. West northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 6 mph.
New Year's Day
Mostly sunny, with a high near 33. North northwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 17. Light north northwest wind.
Friday
Mostly sunny, with a high near 32. Light and variable wind becoming northeast around 6 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
10:06 pm CST Dec 26, 2025
11pm CST Dec 26, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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