Heat Advisory — Cherokee, GA, Forsyth, GA, Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Jackson, GA, Polk, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Harris, GA, Talbot, GA, Taylor, GA, Crawford, GA, Bibb, GA, Twiggs, GA, Wilkinson, GA, Johnson, GA, Emanuel, GA, Muscogee, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, GA, Peach, GA, Houston, GA, Bleckley, GA, Laurens, GA, Treutlen, GA, Stewart, GA, Webster, GA, Sumter, GA, Dooly, GA, Crisp, GA, Pulaski, GA, Wilcox, GA, Dodge, GA, Telfair, GA, Wheeler, GA, Montgomery, GA, Toombs, GA, Hall, GA, Banks, GA, Madison, GA, Oglethorpe, GA, Wilkes, GA, Taliaferro, GA, Warren, GA, Glascock, GA, Jefferson, GA 7:00 PM Heat Advisory — Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Polk, GA, Cherokee, GA, Forsyth, GA, Jackson, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Harris, GA, Talbot, GA, Taylor, GA, Crawford, GA, Bibb, GA, Twiggs, GA, Wilkinson, GA, Johnson, GA, Emanuel, GA, Muscogee, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, GA, Peach, GA, Houston, GA, Bleckley, GA, Laurens, GA, Treutlen, GA, Stewart, GA, Webster, GA, Sumter, GA, Dooly, GA, Crisp, GA, Pulaski, GA, Wilcox, GA, Dodge, GA, Telfair, GA, Wheeler, GA, Montgomery, GA, Toombs, GA 7:00 PM

Gwinnett County, Georgia, United States

Last updated: 4:52 PM CDT  ·  Refresh
33°C
Feels like 38°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
5 mph NE
Humidity
53%
Dew Point
22°
Pressure
29.01 inHg
Visibility
10 mi
UV Index
5.6
Cloud Cover
58%
Sunrise
6:28 AM
Sunset
8:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gwinnett County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3225 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 8:51PM.

Alerts

Heat Advisory
Cherokee, GA, Forsyth, GA, Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Jackson, GA, Polk, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Harris, GA, Talbot, GA, Taylor, GA, Crawford, GA, Bibb, GA, Twiggs, GA, Wilkinson, GA, Johnson, GA, Emanuel, GA, Muscogee, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, GA, Peach, GA, Houston, GA, Bleckley, GA, Laurens, GA, Treutlen, GA, Stewart, GA, Webster, GA, Sumter, GA, Dooly, GA, Crisp, GA, Pulaski, GA, Wilcox, GA, Dodge, GA, Telfair, GA, Wheeler, GA, Montgomery, GA, Toombs, GA, Hall, GA, Banks, GA, Madison, GA, Oglethorpe, GA, Wilkes, GA, Taliaferro, GA, Warren, GA, Glascock, GA, Jefferson, GA
Expires 7:00 PM
Heat Advisory
Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Polk, GA, Cherokee, GA, Forsyth, GA, Jackson, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Harris, GA, Talbot, GA, Taylor, GA, Crawford, GA, Bibb, GA, Twiggs, GA, Wilkinson, GA, Johnson, GA, Emanuel, GA, Muscogee, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, GA, Peach, GA, Houston, GA, Bleckley, GA, Laurens, GA, Treutlen, GA, Stewart, GA, Webster, GA, Sumter, GA, Dooly, GA, Crisp, GA, Pulaski, GA, Wilcox, GA, Dodge, GA, Telfair, GA, Wheeler, GA, Montgomery, GA, Toombs, GA
Expires 7:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
10%
6 PM
33°
23%
7 PM
32°
18%
8 PM
31°
18%
9 PM
29°
18%
10 PM
28°
18%
11 PM
28°
18%
12 AM
27°
18%
1 AM
26°
5%
2 AM
26°
5%
3 AM
25°
5%
4 AM
24°
5%
5 AM
23°
9%
6 AM
23°
9%
7 AM
24°
9%
8 AM
26°
9%
9 AM
28°
18%
10 AM
28°
15%
11 AM
29°
15%
12 PM
32°
15%
1 PM
34°
12%
2 PM
34°
15%
3 PM
34°
20%
4 PM
34°
20%
7-Day Forecast
Today
34° 23°
Partly Cloudy.
Wed
37° 23°
Partly Cloudy with a 23% chance of rain.
Thu
38° 24°
Partly Cloudy.
Fri
36° 24°
Partly Cloudy with a 52% chance of rain.
Sat
35° 23°
Drizzle, 60% chance.
Sun
34° 24°
Rain, 81% chance.
Mon
34° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 10% 5 mph NE 53%
6 PM 33° Partly Cloudy 23% 6 mph ENE 54%
7 PM 32° Partly Cloudy 18% 7 mph ENE 58%
8 PM 31° Partly Cloudy 18% 5 mph ENE 63%
9 PM 29° Partly Cloudy 18% 4 mph ENE 68%
10 PM 28° Partly Cloudy 18% 3 mph ENE 72%
11 PM 28° Partly Cloudy 18% 3 mph NE 73%
12 AM 27° Mostly Clear 18% 3 mph NE 74%
1 AM 26° Clear 5% 4 mph NE 76%
2 AM 26° Clear 5% 4 mph ENE 77%
3 AM 25° Clear 5% 4 mph ENE 79%
4 AM 24° Clear 5% 4 mph E 81%
5 AM 23° Clear 9% 4 mph E 81%
6 AM 23° Mostly Clear 9% 3 mph ESE 81%
7 AM 24° Mostly Clear 9% 4 mph SE 79%
8 AM 26° Mostly Clear 9% 4 mph SSE 74%
9 AM 28° Mostly Clear 18% 3 mph SSE 68%
10 AM 28° Mostly Clear 15% 3 mph SSE 62%
11 AM 29° Mostly Clear 15% 3 mph SE 59%
12 PM 32° Partly Cloudy 15% 4 mph ESE 57%
1 PM 34° Partly Cloudy 12% 4 mph ESE 55%
2 PM 34° Partly Cloudy 15% 4 mph ESE 55%
3 PM 34° Mostly Cloudy 20% 4 mph ESE 55%
4 PM 34° Mostly Cloudy 20% 4 mph SE 55%
15-Day Forecast
Today
6/30
Partly Cloudy
18%
23°
34°
Wed
7/1
Partly Cloudy
23%
23°
37°
Thu
7/2
Partly Cloudy
16%
24°
38°
Fri
7/3
Partly Cloudy
52%
24°
36°
Sat
7/4
Drizzle
60%
23°
35°
Sun
7/5
Rain
81%
24°
34°
Mon
7/6
Drizzle
60%
22°
34°
Tue
7/7
Drizzle
60%
23°
34°
Wed
7/8
Drizzle
60%
23°
34°
Thu
7/9
Drizzle
60%
22°
34°
Fri
7/10
Drizzle
60%
23°
33°
Sat
7/11
Drizzle
60%
23°
34°
Sun
7/12
Drizzle
60%
23°
33°
Mon
7/13
Drizzle
60%
23°
33°
Tue
7/14
Drizzle
60%
23°
33°
44
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
44 AQI 8.0 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 44 Good 38 44
Thu 43 Good 40 43
Fri 48 Good 36 48
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jun 30, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3249 J/kg
MLCAPE3065 J/kg
MUCAPE3249 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear8 kt
0–1 km Shear1 kt
Eff. Shear11 kt
0–1 km SRH-2
0–3 km SRH-23
Eff. SRH-23
Storm Motion26° @ 23 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.6
Thermo & Levels
PWAT1.90 in
0–3 km LR8.0 °C/km
700–500 LR5.7 °C/km
Total Totals49.8
LCL832 hPa
LFC982 hPa
EL159 hPa
Freezing Lvl14,833 ft