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.

A Few Clouds

91°F

33°C

Humidity 54%
Wind Speed W 8 mph
Barometer 30.06 in (1016.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 4 Jul 2:50 pm EDT
Extended Forecast for

5 Miles NNE Marietta GA

Heat Advisory July 4, 02:59pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 02:59pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Independence Day

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Independence Day
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 95. Heat index values as high as 100. Southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Marietta GA
 34.01°N 84.49°W (Elev. 1099 ft)
Last Update:
2:27 pm EDT Jul 4, 2026
Forecast Valid:
2pm EDT Jul 4, 2026-6pm EDT Jul 10, 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