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

Johns Creek, Georgia

Last updated: 3:27 PM CDT  ·  Refresh
34°C
Feels like 39°
Partly Cloudy
▲ 35°  /  ▼ 23°
Wind
4 mph NE
Humidity
54%
Dew Point
22°
Pressure
28.92 inHg
Visibility
10 mi
UV Index
8.2
Cloud Cover
33%
Sunrise
6:28 AM
Sunset
8:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johns Creek is currently partly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3449 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 8:52PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
28%
5 PM
34°
22%
6 PM
35°
6%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
5%
5 AM
25°
5%
6 AM
24°
5%
7 AM
24°
5%
8 AM
25°
5%
9 AM
27°
5%
10 AM
29°
16%
11 AM
31°
16%
12 PM
32°
16%
1 PM
32°
13%
2 PM
34°
15%
3 PM
34°
15%
7-Day Forecast
Today
35° 23°
Partly Cloudy with a 28% chance of rain.
Wed
37° 24°
Mostly Clear with a 22% chance of rain.
Thu
37° 23°
Partly Cloudy.
Fri
35° 24°
Mostly Clear with a 52% chance of rain.
Sat
35° 24°
Drizzle, 60% chance.
Sun
34° 24°
Rain, 81% chance.
Mon
33° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 28% 4 mph NE 54%
5 PM 34° Partly Cloudy 22% 5 mph ENE 52%
6 PM 35° Partly Cloudy 6% 6 mph ENE 52%
7 PM 33° Partly Cloudy 3% 6 mph ENE 53%
8 PM 32° Partly Cloudy 3% 6 mph ENE 56%
9 PM 31° Partly Cloudy 3% 5 mph E 62%
10 PM 29° Partly Cloudy 3% 4 mph E 66%
11 PM 28° Partly Cloudy 3% 3 mph E 70%
12 AM 28° Partly Cloudy 3% 3 mph ENE 72%
1 AM 27° Mostly Clear 3% 3 mph NE 74%
2 AM 26° Mostly Clear 3% 3 mph NNE 76%
3 AM 26° Mostly Clear 3% 3 mph NE 78%
4 AM 25° Clear 5% 3 mph ENE 80%
5 AM 25° Clear 5% 3 mph E 81%
6 AM 24° Clear 5% 3 mph E 80%
7 AM 24° Clear 5% 3 mph ESE 79%
8 AM 25° Clear 5% 3 mph ESE 76%
9 AM 27° Clear 5% 2 mph ESE 71%
10 AM 29° Clear 16% 2 mph E 65%
11 AM 31° Clear 16% 3 mph ENE 62%
12 PM 32° Mostly Clear 16% 3 mph ENE 59%
1 PM 32° Mostly Clear 13% 4 mph ENE 57%
2 PM 34° Partly Cloudy 15% 4 mph ENE 55%
3 PM 34° Partly Cloudy 15% 4 mph E 55%
15-Day Forecast
Today
6/30
Partly Cloudy
28%
23°
35°
Wed
7/1
Mostly Clear
22%
24°
37°
Thu
7/2
Partly Cloudy
16%
23°
37°
Fri
7/3
Mostly Clear
52%
24°
35°
Sat
7/4
Drizzle
60%
24°
35°
Sun
7/5
Rain
81%
24°
34°
Mon
7/6
Drizzle
60%
22°
33°
Tue
7/7
Drizzle
60%
23°
34°
Wed
7/8
Drizzle
60%
23°
34°
Thu
7/9
Drizzle
60%
23°
34°
Fri
7/10
Drizzle
60%
23°
33°
Sat
7/11
Drizzle
60%
23°
33°
Sun
7/12
Drizzle
60%
22°
33°
Mon
7/13
Drizzle
60%
22°
33°
Tue
7/14
Drizzle
60%
22°
33°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.2 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 51 Moderate 40 51
Thu 53 Moderate 43 53
Fri 52 Moderate 41 52
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3730 J/kg
MLCAPE3480 J/kg
MUCAPE3730 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear9 kt
0–1 km Shear0 kt
Eff. Shear13 kt
0–1 km SRH1
0–3 km SRH-36
Eff. SRH-36
Storm Motion27° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.3
Thermo & Levels
PWAT1.88 in
0–3 km LR8.6 °C/km
700–500 LR5.5 °C/km
Total Totals49.9
LCL825 hPa
LFC979 hPa
EL153 hPa
Freezing Lvl14,741 ft