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.

Overcast

44°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.18 in (995.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 23 Jan 1:50 am EST
Extended Forecast for

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

Winter Storm Watch January 24, 01:00pm until January 26, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 48. Northeast wind around 5 mph.

    High: 48 °F

    Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 36. North wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 1pm. Cloudy, with a high near 41. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain showers before 10pm, then freezing rain. Low around 29. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 29 °F

    Rain/Freezing
    Rain then
    Freezing Rain

  • Sunday

    Sunday: Freezing rain before 10am, then rain or freezing rain between 10am and 1pm, then rain showers after 1pm. High near 37. Chance of precipitation is 100%.

    High: 37 °F

    Rain/Freezing
    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 42. Calm wind.
Friday
A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 48. Northeast wind around 5 mph.
Friday Night
Cloudy, with a low around 36. North wind around 5 mph becoming east after midnight.
Saturday
A 50 percent chance of showers after 1pm. Cloudy, with a high near 41. East wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Rain showers before 10pm, then freezing rain. Low around 29. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Sunday
Freezing rain before 10am, then rain or freezing rain between 10am and 1pm, then rain showers after 1pm. High near 37. Chance of precipitation is 100%.
Sunday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
1:41 am EST Jan 23, 2026
Forecast Valid:
2am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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