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.

Overcast

71°F

22°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.08 in (1017.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 May 5:50 am EDT
Extended Forecast for

4 Miles WNW Roswell GA

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers and
    Patchy Fog
    then T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 80%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 80. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 63. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Roswell GA
 34.05°N 84.43°W (Elev. 1099 ft)
Last Update:
2:26 am EDT May 27, 2026
Forecast Valid:
6am EDT May 27, 2026-6pm EDT Jun 2, 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