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

Severe Weather for Portions of Montana and Plains; Great Plains into Midwest Warm Up

Scattered severe thunderstorms are expected in Montana and the Plains today. Heavy rain may cause localized flash flooding in the northern Plains into the upper Midwest and lower Mississippi Valley. Critical fire weather conditions will persist across the Great Basin and interior Alaska into early week. Heat will build for the Plains, Ohio and Tennessee Valleys and Great Lakes into Monday. 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

86°F

30°C

Humidity 61%
Wind Speed Vrbl 5 mph
Barometer 30.10 in (1018.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 3 Jul 12:50 pm EDT
Extended Forecast for

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

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 91. Heat index values as high as 98. Northwest 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

    High: 91 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    T-storms
    Likely then
    Slight Chance
    T-storms

    Low: 71 °F

  • Independence
    Day

    Independence Day: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 90. Heat index values as high as 98. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    T-storms
    Likely

    High: 90 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming east in the evening.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.

    Slight Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91.

    Chance
    T-storms

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Slight Chance
    T-storms

    Low: 74 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    Chance
    T-storms

    High: 91 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 91. Heat index values as high as 98. Northwest 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.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Independence Day
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 90. Heat index values as high as 98. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming east in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
1:20 pm EDT Jul 3, 2022
Forecast Valid:
1pm EDT Jul 3, 2022-6pm EDT Jul 9, 2022
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation