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.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.12 in (1018.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Jul 1:50 am EDT
Extended Forecast for

Kennesaw GA

Heat Advisory July 3, 02:10am until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 02:10am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming west around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. Calm wind.
Independence Day
Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming west around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Monday
A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Kennesaw GA
 34.02°N 84.62°W (Elev. 1083 ft)
Last Update:
12:41 am EDT Jul 3, 2026
Forecast Valid:
2am EDT Jul 3, 2026-6pm EDT Jul 9, 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