Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture. Read More >

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Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

83°F

28°C

Humidity	63%
Wind Speed	SW 6 mph
Barometer	30.03 in (988.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	21 Jul 8:50 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

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

Tonight

Slight Chance
T-storms then
Partly Cloudy
Low: 72 °F
Monday

Chance
T-storms
High: 85 °F
Monday
Night

Chance
T-storms then
Showers
Likely
Low: 71 °F
Tuesday

T-storms
Likely
High: 81 °F
Tuesday
Night

Slight Chance
T-storms
Low: 64 °F
Wednesday

Sunny
High: 84 °F
Wednesday
Night

Mostly Clear
Low: 65 °F
Thursday

Sunny
High: 85 °F
Thursday
Night

Mostly Clear
Low: 66 °F

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the morning.

Monday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Southwest 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.

Tuesday

Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. North wind 5 to 10 mph.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Mostly clear, with a low around 65.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 66.