Heat Advisory — Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Cherokee, GA, Forsyth, GA, Hall, GA, Banks, GA, Jackson, GA, Madison, GA, Polk, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Oglethorpe, GA, Wilkes, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Taliaferro, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Warren, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Glascock, GA, Jefferson, 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: 6:23 PM CDT  ·  Refresh
30°C
Feels like 36°
Mostly Cloudy
▲ 34°  /  ▼ 23°
Wind
3 mph W
Humidity
72%
Dew Point
25°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
1.5
Cloud Cover
83%
Sunrise
6:54 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently mostly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2556 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 8:14PM.

Alerts

Heat Advisory
Dade, GA, Walker, GA, Catoosa, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Cherokee, GA, Forsyth, GA, Hall, GA, Banks, GA, Jackson, GA, Madison, GA, Polk, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Oglethorpe, GA, Wilkes, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Taliaferro, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Hancock, GA, Warren, GA, Troup, GA, Meriwether, GA, Pike, GA, Upson, GA, Lamar, GA, Monroe, GA, Jones, GA, Baldwin, GA, Washington, GA, Glascock, GA, Jefferson, 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
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
46%
8 PM
28°
49%
9 PM
28°
49%
10 PM
27°
44%
11 PM
26°
42%
12 AM
26°
43%
1 AM
25°
33%
2 AM
26°
8%
3 AM
25°
8%
4 AM
25°
8%
5 AM
24°
6%
6 AM
23°
6%
7 AM
24°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
4%
5 PM
36°
4%
6 PM
34°
4%
7-Day Forecast
Tonight
34° 23°
Mostly Cloudy with a 46% chance of rain.
Mon
38° 23°
Mostly Clear with a 33% chance of rain.
Tue
38° 24°
Mostly Clear.
Wed
34° 22°
Mostly Clear with a 39% chance of rain.
Thu
37° 23°
Clear with a 37% chance of rain.
Fri
34° 23°
Heavy Rain, 86% chance.
Sat
33° 21°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Cloudy 46% 3 mph W 72%
8 PM 28° Mostly Cloudy 49% 4 mph SSE 78%
9 PM 28° Mostly Cloudy 49% 4 mph SSE 82%
10 PM 27° Mostly Cloudy 44% 4 mph SSE 86%
11 PM 26° Mostly Cloudy 42% 4 mph S 87%
12 AM 26° Mostly Cloudy 43% 4 mph SSW 86%
1 AM 25° Partly Cloudy 33% 4 mph SSW 84%
2 AM 26° Partly Cloudy 8% 4 mph SW 82%
3 AM 25° Mostly Clear 8% 4 mph SW 83%
4 AM 25° Mostly Clear 8% 4 mph SW 84%
5 AM 24° Clear 6% 4 mph SW 84%
6 AM 23° Clear 6% 4 mph WSW 84%
7 AM 24° Mostly Clear 3% 4 mph W 83%
8 AM 25° Mostly Clear 3% 5 mph W 79%
9 AM 27° Mostly Clear 3% 6 mph W 69%
10 AM 31° Mostly Clear 3% 7 mph WNW 61%
11 AM 32° Clear 3% 7 mph WNW 54%
12 PM 33° Clear 3% 7 mph WNW 50%
1 PM 34° Clear 3% 7 mph WNW 45%
2 PM 36° Clear 3% 7 mph WNW 42%
3 PM 36° Mostly Clear 3% 7 mph W 42%
4 PM 36° Mostly Clear 4% 7 mph W 41%
5 PM 36° Mostly Clear 4% 7 mph W 41%
6 PM 34° Mostly Clear 4% 6 mph W 44%
15-Day Forecast
Today
8/16
Mostly Cloudy
46%
23°
34°
Mon
8/17
Mostly Clear
33%
23°
38°
Tue
8/18
Mostly Clear
19%
24°
38°
Wed
8/19
Mostly Clear
39%
22°
34°
Thu
8/20
Clear
37%
23°
37°
Fri
8/21
Heavy Rain
86%
23°
34°
Sat
8/22
Rain
66%
21°
33°
Sun
8/23
Rain
46%
21°
32°
Mon
8/24
Rain
53%
21°
33°
Tue
8/25
Rain
54%
20°
33°
Wed
8/26
Drizzle
51%
21°
33°
Thu
8/27
Drizzle
60%
24°
33°
Fri
8/28
Drizzle
60%
23°
32°
Sat
8/29
Drizzle
60%
22°
31°
Sun
8/30
Drizzle
60%
22°
31°
50
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
50 AQI 9.1 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 50 Good 31 50
Tue 54 Moderate 38 54
Wed 53 Moderate 37 53
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 Sun Aug 16, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3227 J/kg
MLCAPE1301 J/kg
MUCAPE3227 J/kg
SBCIN-89 J/kg
MLCIN-88 J/kg
Lifted Index-5.8
Kinematics
0–6 km Shear3 kt
0–1 km Shear11 kt
Eff. Shear7 kt
0–1 km SRH-31
0–3 km SRH-20
Eff. SRH-20
Storm Motion234° @ 16 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.3
Thermo & Levels
PWAT1.81 in
0–3 km LR6.3 °C/km
700–500 LR5.6 °C/km
Total Totals44.6
LCL927 hPa
LFC846 hPa
EL125 hPa
Freezing Lvl16,325 ft