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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/Mist

55°F

13°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.95 in (987.4 mb)
Dewpoint 54°F (12°C)
Visibility 1.00 mi
Last update 7 Jan 12:50 am EST
Extended Forecast for

3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA

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

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. West wind around 5 mph.
Wednesday
Partly sunny, with a high near 68. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 50. Calm wind.
Thursday
Mostly cloudy, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 71.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 62. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers. Cloudy, with a low around 40.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:16 am EST Jan 7, 2026
Forecast Valid:
1am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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