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

84°F

29°C

Humidity 65%
Wind Speed NW 3 mph
Barometer 30.10 in (1018.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Jul 10:50 am EDT
Extended Forecast for

4 Miles NW Roswell GA

Heat Advisory July 4, 11:14am until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 11:14am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Independence Day

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Independence Day
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Tuesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 40 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:
4 Miles NW Roswell GA
 34.07°N 84.4°W (Elev. 997 ft)
Last Update:
9:22 am EDT Jul 4, 2026
Forecast Valid:
11am EDT Jul 4, 2026-6pm EDT Jul 10, 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