High Wind Watch 7:00 AM Flood Watch 7:00 AM

Johns Creek, Georgia

Last updated: 10:55 PM CDT  ·  Refresh
20°C
Feels like 21°
Overcast
▲ 28°  /  ▼ 12°
Wind
3 mph ENE
Humidity
70%
Dew Point
16°
Pressure
28.92 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
87%
Sunrise
7:36 AM
Sunset
7:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johns Creek is currently overcast at 20°C. Precipitation is likely — peak probability 76% around 11 PM. Sunrise: 7:36AM · Sunset: 7:11PM.

Alerts

High Wind Watch
Expires 7:00 AM
Flood Watch
Expires 7:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
3%
12 AM
20°
21%
1 AM
19°
14%
2 AM
18°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
17°
3%
8 AM
18°
5%
9 AM
19°
5%
10 AM
19°
8%
11 AM
21°
8%
12 PM
22°
8%
1 PM
24°
8%
2 PM
24°
23%
3 PM
24°
27%
4 PM
24°
27%
5 PM
24°
40%
6 PM
22°
45%
7 PM
22°
45%
8 PM
22°
54%
9 PM
21°
58%
10 PM
20°
59%
7-Day Forecast
Tonight
28° 12°
Overcast.
Fri
24° 17°
Drizzle, 75% chance.
Sat
21° 13°
Heavy Rain, 90% chance.
Sun
25° 13°
Mostly Cloudy with a 46% chance of rain.
Mon
32° 15°
Clear.
Tue
34° 16°
Clear.
Wed
35° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Overcast 3% 3 mph ENE 70%
12 AM 20° Overcast 21% 4 mph ENE 68%
1 AM 19° Overcast 14% 4 mph ENE 71%
2 AM 18° Overcast 3% 5 mph ENE 72%
3 AM 18° Overcast 3% 5 mph NE 74%
4 AM 18° Overcast 3% 5 mph ENE 76%
5 AM 17° Overcast 3% 6 mph ENE 76%
6 AM 17° Overcast 3% 7 mph ENE 75%
7 AM 17° Overcast 3% 9 mph ENE 72%
8 AM 18° Overcast 5% 10 mph ENE 66%
9 AM 19° Overcast 5% 11 mph ENE 58%
10 AM 19° Overcast 8% 12 mph ENE 52%
11 AM 21° Overcast 8% 12 mph ENE 47%
12 PM 22° Overcast 8% 12 mph ENE 43%
1 PM 24° Overcast 8% 12 mph ENE 39%
2 PM 24° Drizzle 23% 12 mph ENE 38%
3 PM 24° Drizzle 27% 12 mph ENE 39%
4 PM 24° Drizzle 27% 11 mph ENE 39%
5 PM 24° Drizzle 40% 11 mph ENE 40%
6 PM 22° Drizzle 45% 11 mph ENE 41%
7 PM 22° Drizzle 45% 11 mph ENE 42%
8 PM 22° Rain 54% 11 mph ENE 45%
9 PM 21° Rain 58% 12 mph ENE 49%
10 PM 20° Rain 59% 12 mph ENE 52%
15-Day Forecast
Today
10/8
Overcast
3%
12°
28°
Fri
10/9
Drizzle
75%
17°
24°
Sat
10/10
Heavy Rain
90%
13°
21°
Sun
10/11
Mostly Cloudy
46%
13°
25°
Mon
10/12
Clear
3%
15°
32°
Tue
10/13
Clear
3%
16°
34°
Wed
10/14
Clear
3%
18°
35°
Thu
10/15
Clear
8%
19°
34°
Fri
10/16
Drizzle
44%
18°
33°
Sat
10/17
Drizzle
44%
15°
33°
Sun
10/18
Clear
60%
11°
25°
Mon
10/19
Clear
25%
10°
24°
Tue
10/20
Clear
60%
10°
26°
Wed
10/21
Drizzle
60%
11°
25°
Thu
10/22
Clear
60%
12°
26°
54
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
54 AQI 10.7 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 43 54
Sat 54 Moderate 31 54
Sun 31 Good 31 27
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 9, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE8 J/kg
MUCAPE49 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index1.3
Kinematics
0–6 km Shear9 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH2
0–3 km SRH39
Eff. SRH—
Storm Motion58° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.3
Thermo & Levels
PWAT0.86 in
0–3 km LR4.3 °C/km
700–500 LR7.0 °C/km
Total Totals47.4
LCL919 hPa
LFC—
EL—
Freezing Lvl13,606 ft