Tornado Watch 8:00 PM

Passaic County, New Jersey, United States

Last updated: 6:22 PM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 25°  /  ▼ 17°
Wind
5 mph S
Humidity
93%
Dew Point
22°
Pressure
29.13 inHg
Visibility
9 mi
UV Index
1.0
Cloud Cover
94%
Sunrise
5:43 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Passaic County is currently overcast at 23°C. Precipitation is likely — peak probability 76% around 7 PM. Atmospheric instability is elevated (CAPE up to 1162 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:23PM.

Alerts

Tornado Watch
Expires 8:00 PM
76 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
75%
8 PM
24°
61%
9 PM
23°
61%
10 PM
22°
53%
11 PM
22°
62%
12 AM
22°
62%
1 AM
22°
41%
2 AM
22°
62%
3 AM
22°
47%
4 AM
21°
38%
5 AM
20°
31%
6 AM
20°
31%
7 AM
21°
31%
8 AM
22°
26%
9 AM
23°
32%
10 AM
23°
24%
11 AM
24°
25%
12 PM
25°
26%
1 PM
26°
26%
2 PM
27°
26%
3 PM
27°
27%
4 PM
27°
27%
5 PM
27°
15%
6 PM
26°
16%
7-Day Forecast
Tonight
25° 17°
Overcast with a 75% chance of rain.
Wed
28° 18°
Mostly Clear with a 41% chance of rain.
Thu
27° 15°
Clear.
Fri
27° 16°
Mostly Clear.
Sat
28° 16°
Partly Cloudy.
Sun
28° 17°
Rain, 71% chance.
Mon
28° 18°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 75% 5 mph S 93%
8 PM 24° Overcast 61% 6 mph S 96%
9 PM 23° Overcast 61% 7 mph SSW 97%
10 PM 22° Mostly Cloudy 53% 8 mph SSW 97%
11 PM 22° Mostly Cloudy 62% 9 mph SSW 97%
12 AM 22° Mostly Cloudy 62% 8 mph SSW 96%
1 AM 22° Overcast 41% 8 mph SSW 96%
2 AM 22° Overcast 62% 8 mph SSW 97%
3 AM 22° Overcast 47% 8 mph SSW 97%
4 AM 21° Overcast 38% 7 mph SW 96%
5 AM 20° Overcast 31% 7 mph SW 95%
6 AM 20° Mostly Cloudy 31% 7 mph SW 93%
7 AM 21° Rain 31% 8 mph SW 91%
8 AM 22° Rain 26% 7 mph SW 87%
9 AM 23° Mostly Clear 32% 7 mph WSW 82%
10 AM 23° Mostly Clear 24% 8 mph W 77%
11 AM 24° Mostly Clear 25% 8 mph W 70%
12 PM 25° Mostly Clear 26% 9 mph W 64%
1 PM 26° Mostly Clear 26% 9 mph W 59%
2 PM 27° Mostly Clear 26% 9 mph W 55%
3 PM 27° Mostly Clear 27% 9 mph W 54%
4 PM 27° Mostly Clear 27% 9 mph W 53%
5 PM 27° Mostly Clear 15% 8 mph W 54%
6 PM 26° Mostly Clear 16% 8 mph W 57%
15-Day Forecast
Today
7/21
Overcast
75%
17°
25°
Wed
7/22
Mostly Clear
41%
18°
28°
Thu
7/23
Clear
3%
15°
27°
Fri
7/24
Mostly Clear
3%
16°
27°
Sat
7/25
Partly Cloudy
8%
16°
28°
Sun
7/26
Rain
71%
17°
28°
Mon
7/27
Drizzle
60%
18°
28°
Tue
7/28
Drizzle
63%
17°
27°
Wed
7/29
Drizzle
68%
17°
26°
Thu
7/30
Drizzle
68%
17°
27°
Fri
7/31
Drizzle
51%
18°
27°
Sat
8/1
Drizzle
60%
18°
26°
Sun
8/2
Drizzle
60%
18°
27°
Mon
8/3
Drizzle
60%
19°
27°
Tue
8/4
Drizzle
60%
19°
28°
76
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
76 AQI 22.5 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 76 Moderate 40 76
Thu 36 Good 36 28
Fri 37 Good 37 34
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 Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE656 J/kg
MLCAPE598 J/kg
MUCAPE656 J/kg
SBCIN-80 J/kg
MLCIN0 J/kg
Lifted Index-3.4
Kinematics
0–6 km Shear40 kt
0–1 km Shear18 kt
Eff. Shear41 kt
0–1 km SRH-7
0–3 km SRH-64
Eff. SRH-64
Storm Motion221° @ 40 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.3
Thermo & Levels
PWAT1.84 in
0–3 km LR5.2 °C/km
700–500 LR5.8 °C/km
Total Totals46.2
LCL971 hPa
LFC752 hPa
EL210 hPa
Freezing Lvl13,904 ft