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Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fog

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 34°F (1°C)
Visibility 0.50 mi
Last update 6 Dec 11:50 pm EST
Extended Forecast for

5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA

Dense Fog Advisory December 7, 12:47am until December 7, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 7, 12:47am until December 7, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 31 °F

    Dense
    Freezing Fog
    and Dense Fog

  • Sunday

    Sunday: Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 54. Calm wind becoming east around 5 mph in the morning.

    High: 54 °F

    Dense Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly between midnight and 4am. Cloudy, with a low around 39. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Cloudy then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before 7am. Partly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Overnight
Patchy dense fog before 3am, then widespread dense fog after 4am. Widespread dense freezing fog between 3am and 4am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Sunday
Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 54. Calm wind becoming east around 5 mph in the morning.
Sunday Night
Showers likely, mainly between midnight and 4am. Cloudy, with a low around 39. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 57.
Thursday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA
 33.95°N 84.63°W (Elev. 1001 ft)
Last Update:
12:21 am EST Dec 7, 2025
Forecast Valid:
12am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation