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.

Fog

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in (987.7 mb)
Dewpoint 53°F (12°C)
Visibility 0.25 mi
Last update 7 Jan 1:50 am EST
Extended Forecast for

3 Miles WNW Roswell 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 west around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 67. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 58 °F

    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 west around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy, with a high near 67. East wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 20 percent chance of showers. 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 48.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Roswell GA
 34.07°N 84.4°W (Elev. 997 ft)
Last Update:
1:16 am EST Jan 7, 2026
Forecast Valid:
2am EST Jan 7, 2026-6pm EST Jan 13, 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