Severe Thunderstorms in the Upper Midwest; Excessive Heat in the Central U.S.

Severe thunderstorms, capable of severe wind (locally exceeding hurricane force), very large hail, flash flooding, and a few tornadoes, are possible late this afternoon into tonight across portions of the of the Upper Midwest into the southern Great Lakes. Excessive heat covers much of the central third of the country and is expected to persist into the weekend over the south-central states. Read More >

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Partly Cloudy

89°F

32°C

Humidity 59%
Wind Speed Vrbl 3 mph
Barometer 30.05 in (1016.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 28 Jul 1:50 pm EDT
Extended Forecast for

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

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph.

    Sunny

    High: 95 °F

  • Tonight

    Tonight: Mostly clear, with a low around 72. North wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 72 °F

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon.

    Sunny

    High: 96 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 73. West wind around 5 mph becoming calm.

    Mostly Clear

    Low: 73 °F

  • Friday

    Friday: Sunny, with a high near 96. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    Sunny

    High: 96 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 73.

    Partly Cloudy

    Low: 73 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 93.

    Chance
    T-storms

    High: 93 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Sunday

    Sunday: Showers and thunderstorms likely.  Partly sunny, with a high near 88. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 88 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 72. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm.
Friday
Sunny, with a high near 96. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
4 Miles ENE Marietta, Cobb County-McCollum Field Airport GA
 34.04°N 84.54°W (Elev. 968 ft)
1:02 pm EDT Jul 28, 2021
2pm EDT Jul 28, 2021-6pm EDT Aug 3, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database