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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog

44°F

7°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 44°F (7°C)
Visibility 0.25 mi
Wind Chill41°F (5°C)
Last update 23 Nov 7:52 am CST
Extended Forecast for

Carbondale/Murphysboro, Southern Illinois Airport IL

Dense Fog Advisory November 23, 08:06am until November 23, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 23, 08:06am until November 23, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 53 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Areas of fog between 8pm and 5am. Otherwise, increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Monday

    Monday: Showers likely after noon. Cloudy, with a high near 59. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 50. South southeast wind around 6 mph. Chance of precipitation is 100%.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 64. West wind 5 to 8 mph.

    High: 64 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West northwest wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Today
Patchy dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 53. Light and variable wind.
Tonight
Areas of fog between 8pm and 5am. Otherwise, increasing clouds, with a low around 41. Calm wind.
Monday
Showers likely after noon. Cloudy, with a high near 59. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. Low around 50. South southeast wind around 6 mph. Chance of precipitation is 100%.
Tuesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 64. West wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 48. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 3 to 6 mph.
Thanksgiving Day
Sunny, with a high near 46. West northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 26. Light and variable wind.
Friday
Partly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 32. South southeast wind 3 to 6 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 49. South southeast wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
 37.79°N 89.25°W
Last Update:
7:26 am CST Nov 23, 2025
Forecast Valid:
8am CST Nov 23, 2025-6pm CST Nov 29, 2025
 
Forecast Discussion
 
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Additional Resources

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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