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.

Fair

77°F

25°C

Humidity 79%
Wind Speed Calm
Barometer 29.96 in (1013.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Sep 9:50 pm EDT
Extended Forecast for

5 Miles NNE Hiram GA

Heat Advisory September 5, 10:47pm until September 6, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 10:47pm until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 72 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 101. Northwest wind 5 to 10 mph.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 71. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers between 7am and 2pm. Partly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 101. Northwest wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 71. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Labor Day
A chance of showers between 7am and 2pm. Partly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 69. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Hiram GA
 33.94°N 84.74°W (Elev. 1079 ft)
Last Update:
8:41 pm EDT Sep 5, 2026
Forecast Valid:
10pm EDT Sep 5, 2026-6pm EDT Sep 12, 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