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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

94°F

34°C

Humidity 49%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 5 Sep 12:50 pm EDT
Extended Forecast for

3 Miles WNW Marietta GA

Heat Advisory September 5, 12:58pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 12:58pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.

    Low: 73 °F

    Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: 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 Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers between 7am and 2pm. Partly sunny, with a high near 86. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Northwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.
Sunday
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 and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Partly cloudy, with a low around 72. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Labor Day
A chance of showers between 7am and 2pm. Partly sunny, with a high near 86. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly 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
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 ft)
Last Update:
12:12 pm EDT Sep 5, 2026
Forecast Valid:
12pm EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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