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

Hazardous Weather Conditions

Current conditions at

Thomaston, Thomaston-Upson County Airport (KOPN)

Lat: 32.96°NLon: 84.26°WElev: 797ft.

Overcast

91°F

33°C

Humidity 49%
Wind Speed NE 5 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility NA
Heat Index96°F (36°C)
Last update 4 Sep 2:35 pm EDT
Extended Forecast for

Forsyth GA

Heat Advisory September 4, 02:53pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 02:53pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming east around 5 mph.

    High: 95 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. West wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Northwest wind around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 103. East wind around 5 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming east around 5 mph.
Saturday Night
Partly cloudy, with a low around 74. West wind around 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Northwest wind around 5 mph.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Labor Day
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forsyth GA
 33.04°N 83.93°W (Elev. 699 ft)
Last Update:
2:26 pm EDT Sep 4, 2026
Forecast Valid:
2pm EDT Sep 4, 2026-6pm EDT Sep 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