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: 7:25 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Cloudy
▲ 34°  /  ▼ 23°
Wind
3 mph SSE
Humidity
76%
Dew Point
25°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
69%
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 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2533 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
29°
41%
9 PM
27°
49%
10 PM
26°
43%
11 PM
26°
40%
12 AM
26°
42%
1 AM
24°
33%
2 AM
25°
8%
3 AM
25°
8%
4 AM
24°
8%
5 AM
24°
6%
6 AM
23°
6%
7 AM
23°
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
34°
3%
3 PM
36°
3%
4 PM
37°
4%
5 PM
36°
4%
6 PM
34°
4%
7 PM
33°
4%
7-Day Forecast
Tonight
34° 23°
Mostly Cloudy with a 41% chance of rain.
Mon
37° 23°
Mostly Clear.
Tue
38° 24°
Mostly Clear.
Wed
34° 22°
Clear with a 44% chance of rain.
Thu
37° 23°
Mostly Clear with a 37% chance of rain.
Fri
34° 23°
Drizzle, 86% chance.
Sat
33° 21°
Drizzle, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Cloudy 41% 3 mph SSE 76%
9 PM 27° Mostly Cloudy 49% 4 mph SSE 82%
10 PM 26° Mostly Cloudy 43% 4 mph SSE 86%
11 PM 26° Mostly Cloudy 40% 4 mph S 87%
12 AM 26° Mostly Cloudy 42% 4 mph SSW 85%
1 AM 24° Partly Cloudy 33% 4 mph SSW 83%
2 AM 25° Mostly Clear 8% 4 mph SW 83%
3 AM 25° Mostly Clear 8% 4 mph SW 84%
4 AM 24° Clear 8% 4 mph SW 84%
5 AM 24° Clear 6% 4 mph SW 84%
6 AM 23° Mostly Clear 6% 4 mph WSW 84%
7 AM 23° Mostly Clear 3% 5 mph W 84%
8 AM 25° Partly Cloudy 3% 5 mph W 79%
9 AM 27° Mostly Clear 3% 6 mph W 69%
10 AM 31° Mostly Clear 3% 7 mph WNW 60%
11 AM 32° Mostly Clear 3% 7 mph WNW 54%
12 PM 33° Mostly Clear 3% 7 mph WNW 50%
1 PM 34° Mostly Clear 3% 7 mph WNW 45%
2 PM 34° Partly Cloudy 3% 6 mph WNW 42%
3 PM 36° Partly Cloudy 3% 6 mph W 41%
4 PM 37° Partly Cloudy 4% 6 mph W 40%
5 PM 36° Partly Cloudy 4% 6 mph W 41%
6 PM 34° Partly Cloudy 4% 6 mph W 44%
7 PM 33° Partly Cloudy 4% 6 mph WSW 47%
15-Day Forecast
Today
8/16
Mostly Cloudy
41%
23°
34°
Mon
8/17
Mostly Clear
8%
23°
37°
Tue
8/18
Mostly Clear
19%
24°
38°
Wed
8/19
Clear
44%
22°
34°
Thu
8/20
Mostly Clear
37%
23°
37°
Fri
8/21
Drizzle
86%
23°
34°
Sat
8/22
Drizzle
66%
21°
33°
Sun
8/23
Mostly Clear
34%
21°
32°
Mon
8/24
Drizzle
53%
21°
33°
Tue
8/25
Partly Cloudy
35%
20°
33°
Wed
8/26
Drizzle
60%
21°
34°
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
Today 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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2779 J/kg
MLCAPE1941 J/kg
MUCAPE2779 J/kg
SBCIN-81 J/kg
MLCIN-81 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear13 kt
0–1 km Shear13 kt
Eff. Shear10 kt
0–1 km SRH67
0–3 km SRH66
Eff. SRH66
Storm Motion34° @ 16 kt
0–1 km EHI1.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.1
Thermo & Levels
PWAT2.27 in
0–3 km LR5.7 °C/km
700–500 LR5.8 °C/km
Total Totals45.4
LCL950 hPa
LFC840 hPa
EL124 hPa
Freezing Lvl16,106 ft