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

Johnson County, Georgia, United States

Last updated: 3:39 PM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
7 mph ENE
Humidity
54%
Dew Point
23°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
8.0
Cloud Cover
26%
Sunrise
6:26 AM
Sunset
8:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2963 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:42PM.

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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
5 PM
34°
3%
6 PM
33°
4%
7 PM
32°
4%
8 PM
31°
5%
9 PM
28°
6%
10 PM
27°
7%
11 PM
26°
7%
12 AM
25°
7%
1 AM
24°
7%
2 AM
23°
7%
3 AM
23°
7%
4 AM
22°
7%
5 AM
22°
7%
6 AM
22°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
26°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
29°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
34° 22°
Mostly Clear.
Wed
36° 22°
Partly Cloudy.
Thu
37° 21°
Partly Cloudy.
Fri
34° 23°
Mostly Clear with a 24% chance of rain.
Sat
35° 23°
Clear.
Sun
35° 22°
Clear with a 60% chance of rain.
Mon
36° 22°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 3% 7 mph ENE 54%
5 PM 34° Mostly Clear 3% 8 mph NE 54%
6 PM 33° Mostly Clear 4% 7 mph ENE 57%
7 PM 32° Mostly Clear 4% 5 mph ENE 62%
8 PM 31° Mostly Clear 5% 4 mph E 67%
9 PM 28° Partly Cloudy 6% 5 mph ESE 72%
10 PM 27° Partly Cloudy 7% 7 mph SE 78%
11 PM 26° Partly Cloudy 7% 7 mph SSE 81%
12 AM 25° Partly Cloudy 7% 6 mph SSE 84%
1 AM 24° Partly Cloudy 7% 5 mph SSE 86%
2 AM 23° Partly Cloudy 7% 4 mph SE 87%
3 AM 23° Mostly Cloudy 7% 3 mph ESE 88%
4 AM 22° Mostly Cloudy 7% 3 mph E 89%
5 AM 22° Mostly Cloudy 7% 3 mph E 89%
6 AM 22° Partly Cloudy 3% 3 mph E 89%
7 AM 22° Mostly Cloudy 3% 3 mph E 88%
8 AM 23° Partly Cloudy 3% 3 mph E 83%
9 AM 26° Partly Cloudy 3% 4 mph ENE 77%
10 AM 26° Partly Cloudy 3% 4 mph ENE 72%
11 AM 28° Partly Cloudy 3% 4 mph ENE 67%
12 PM 29° Partly Cloudy 3% 5 mph ENE 64%
1 PM 32° Partly Cloudy 3% 6 mph ENE 60%
2 PM 32° Partly Cloudy 3% 6 mph ENE 58%
3 PM 32° Partly Cloudy 3% 6 mph ENE 58%
15-Day Forecast
Today
6/30
Mostly Clear
7%
22°
34°
Wed
7/1
Partly Cloudy
7%
22°
36°
Thu
7/2
Partly Cloudy
12%
21°
37°
Fri
7/3
Mostly Clear
24%
23°
34°
Sat
7/4
Clear
19%
23°
35°
Sun
7/5
Clear
60%
22°
35°
Mon
7/6
Clear
35%
22°
36°
Tue
7/7
Drizzle
60%
23°
36°
Wed
7/8
Drizzle
60%
23°
36°
Thu
7/9
Drizzle
60%
23°
36°
Fri
7/10
Drizzle
60%
23°
34°
Sat
7/11
Drizzle
60%
24°
36°
Sun
7/12
Drizzle
60%
23°
34°
Mon
7/13
Drizzle
60%
23°
35°
Tue
7/14
Drizzle
60%
23°
34°
43
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
43 AQI 7.8 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 43 Good 36 43
Thu 37 Good 31 37
Fri 31 Good 31 31
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
SBCAPE3343 J/kg
MLCAPE2840 J/kg
MUCAPE3343 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear17 kt
0–1 km Shear5 kt
Eff. Shear15 kt
0–1 km SRH-1
0–3 km SRH-43
Eff. SRH-43
Storm Motion22° @ 27 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.2
Thermo & Levels
PWAT1.82 in
0–3 km LR8.1 °C/km
700–500 LR5.0 °C/km
Total Totals45.1
LCL868 hPa
LFC1005 hPa
EL156 hPa
Freezing Lvl15,801 ft