National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

26°F

-3°C

Humidity 66%
Wind Speed NW 13 G 21 mph
Barometer 30.15 in (994.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 30 Dec 2:50 am EST
Extended Forecast for

3 Miles WNW Marietta GA

Red Flag Warning December 30, 12:00pm until December 30, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 32. West wind 5 to 10 mph, with gusts as high as 15 mph.
New Year's Day
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 58.
Friday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
1:16 am EST Dec 30, 2025
Forecast Valid:
3am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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