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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.

Partly Cloudy

88°F

31°C

Humidity 68%
Wind Speed W 9 mph
Barometer 29.91 in (1011.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 27 Jul 2:50 pm EDT
Extended Forecast for

5 Miles SW Marietta, Cobb County-McCollum Field Airport GA

Heat Advisory July 28, 12:00pm until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Heat index values as high as 100. Northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 104. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 74. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Heat index values as high as 100. Northwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 104. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 74. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 88. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Marietta, Cobb County-McCollum Field Airport GA
 33.95°N 84.66°W (Elev. 1033 ft)
Last Update:
2:26 pm EDT Jul 27, 2026
Forecast Valid:
3pm EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
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Additional Resources

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Chance of Precipitation