Heat Advisory — Johnson, GA, Emanuel, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, 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: 5:17 PM CDT  ·  Refresh
35°C
Feels like 38°
Clear
▲ 36°  /  ▼ 22°
Wind
8 mph WNW
Humidity
42%
Dew Point
20°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
5.5
Cloud Cover
7%
Sunrise
6:42 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1104 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 8:31PM.

Alerts

Heat Advisory
Johnson, GA, Emanuel, GA, Chattahoochee, GA, Marion, GA, Schley, GA, Macon, 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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
3%
7 PM
34°
21%
8 PM
33°
21%
9 PM
31°
21%
10 PM
28°
21%
11 PM
27°
21%
12 AM
27°
21%
1 AM
26°
22%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
24°
3%
10 AM
27°
3%
11 AM
28°
3%
12 PM
29°
3%
1 PM
31°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
33°
5%
7-Day Forecast
Tonight
36° 22°
Clear with a 21% chance of rain.
Thu
34° 22°
Clear with a 21% chance of rain.
Fri
37° 22°
Partly Cloudy.
Sat
36° 22°
Mostly Cloudy with a 82% chance of rain.
Sun
33° 22°
Rain, 90% chance.
Mon
33° 22°
Rain, 82% chance.
Tue
34° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 35° Clear 3% 8 mph WNW 42%
7 PM 34° Clear 21% 8 mph WNW 42%
8 PM 33° Clear 21% 6 mph WNW 48%
9 PM 31° Clear 21% 6 mph WNW 54%
10 PM 28° Clear 21% 6 mph WNW 59%
11 PM 27° Clear 21% 6 mph WNW 61%
12 AM 27° Clear 21% 6 mph WNW 63%
1 AM 26° Clear 22% 6 mph WNW 65%
2 AM 25° Clear 3% 6 mph NW 67%
3 AM 24° Clear 3% 6 mph NNW 68%
4 AM 24° Mostly Clear 3% 6 mph NNW 68%
5 AM 23° Mostly Clear 3% 6 mph N 68%
6 AM 22° Mostly Clear 3% 6 mph NNE 67%
7 AM 22° Clear 3% 7 mph NNE 67%
8 AM 23° Clear 3% 7 mph NNE 64%
9 AM 24° Clear 3% 7 mph NE 58%
10 AM 27° Clear 3% 7 mph NE 53%
11 AM 28° Clear 3% 6 mph NE 49%
12 PM 29° Clear 3% 5 mph NE 47%
1 PM 31° Clear 3% 4 mph NE 45%
2 PM 33° Clear 3% 3 mph NNE 43%
3 PM 33° Clear 3% 4 mph N 43%
4 PM 33° Clear 3% 4 mph N 42%
5 PM 33° Clear 5% 5 mph N 42%
15-Day Forecast
Today
7/29
Clear
21%
22°
36°
Thu
7/30
Clear
21%
22°
34°
Fri
7/31
Partly Cloudy
6%
22°
37°
Sat
8/1
Mostly Cloudy
82%
22°
36°
Sun
8/2
Rain
90%
22°
33°
Mon
8/3
Rain
82%
22°
33°
Tue
8/4
Drizzle
60%
22°
34°
Wed
8/5
Drizzle
60%
22°
35°
Thu
8/6
Drizzle
60%
23°
36°
Fri
8/7
Drizzle
60%
22°
36°
Sat
8/8
Drizzle
60%
22°
37°
Sun
8/9
Drizzle
60%
24°
37°
Mon
8/10
Drizzle
60%
24°
37°
Tue
8/11
Drizzle
60%
24°
38°
Wed
8/12
Rain
90%
24°
37°
55
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
55 AQI 11.4 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 55 Moderate 45 55
Fri 55 Moderate 37 55
Sat 57 Moderate 40 57
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1457 J/kg
MLCAPE1123 J/kg
MUCAPE1457 J/kg
SBCIN-31 J/kg
MLCIN0 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear26 kt
0–1 km Shear5 kt
Eff. Shear27 kt
0–1 km SRH-14
0–3 km SRH-85
Eff. SRH-85
Storm Motion276° @ 27 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.7
Thermo & Levels
PWAT1.79 in
0–3 km LR7.8 °C/km
700–500 LR6.3 °C/km
Total Totals49.3
LCL803 hPa
LFC769 hPa
EL194 hPa
Freezing Lvl14,849 ft