National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Heat for the South and West; Flash Flooding Conditions in the Southwest U.S.

Dangerous heat is expected across portions of the lower Mississippi Valley today, eastern Oregon Wednesday, central California through Wednesday, and Washington through Saturday. Excessive Heat Warnings are in effect. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Read More >

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 61%
Wind Speed NW 5 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Aug 5:50 pm EDT
Extended Forecast for

3 Miles ENE Marietta, Cobb County-McCollum Field Airport GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Mostly Cloudy

    Low: 68 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East wind around 5 mph.

    Chance
    T-storms

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 67 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 5 mph.

    Chance
    T-storms

    High: 80 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind around 5 mph.

    Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    High: 80 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 67 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    Chance
    T-storms then
    Showers
    Likely

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 68 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. North wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East wind around 5 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind around 5 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles ENE Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.54°W (Elev. 997 ft)
Last Update:
3:35 pm EDT Aug 16, 2022
Forecast Valid:
6pm EDT Aug 16, 2022-6pm EDT Aug 23, 2022
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation