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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.

Fair

77°F

25°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Sep 2:50 am EDT
Extended Forecast for

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

Heat Advisory September 5, 03:04am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 03:04am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. West wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, sunny, with a high near 95. Heat index values as high as 101. Northwest wind 5 to 10 mph.

    High: 95 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northwest around 5 mph.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. West wind around 5 mph becoming calm.
Sunday
A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, sunny, with a high near 95. Heat index values as high as 101. Northwest wind 5 to 10 mph.
Sunday Night
A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Labor Day
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
2:26 am EDT Sep 5, 2026
Forecast Valid:
3am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

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Chance of Precipitation