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

Hazardous Weather Conditions

Current conditions at

Newnan, Newnan Coweta County Airport (KCCO)

Lat: 33.31°NLon: 84.77°WElev: 971ft.

Overcast

79°F

26°C

Humidity 83%
Wind Speed E 5 mph
Barometer 30.11 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 30 Jul 11:55 am EDT
Extended Forecast for

Grantville GA

Heat Advisory July 30, 12:10pm until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 12:10pm until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Patchy Fog
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.
Friday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grantville GA
 33.24°N 84.83°W (Elev. 879 ft)
Last Update:
6:33 am EDT Jul 30, 2025
Forecast Valid:
12pm EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
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