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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

81°F

27°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 30.14 in (1018.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 14 Aug 10:50 pm EDT
Extended Forecast for

4 Miles E Marietta, Cobb County-McCollum Field Airport GA

Heat Advisory August 14, 11:15pm until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 11:15pm until August 15, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 104. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. West wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 104. Light west wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 95. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. West wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.03°N 84.51°W (Elev. 1066 ft)
Last Update:
8:36 pm EDT Aug 14, 2026
Forecast Valid:
11pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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