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.

Overcast

77°F

25°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 29.94 in (1012.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Jun 1:50 am EDT
Extended Forecast for

Kennesaw GA

Flood Watch June 18, 08:00am until June 20, 02:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 2pm. High near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Heavy Rain
    then Chance
    T-storms

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms, mainly after 2pm. High near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kennesaw GA
 34.02°N 84.62°W (Elev. 1083 ft)
Last Update:
1:12 am EDT Jun 18, 2026
Forecast Valid:
2am EDT Jun 18, 2026-6pm EDT Jun 24, 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