Tornado Watch 8:00 PM Tornado Watch 8:00 PM Rip Current Statement — Kings (Brooklyn), NY, Southwest Suffolk, NY, Southeast Suffolk, NY, Southern Queens, NY, Southern Nassau, NY 7:00 PM

North Valley Stream, New York

Last updated: 2:33 PM CDT  ·  Refresh
26°C
Feels like 27°
Overcast
▲ 26°  /  ▼ 22°
Wind
12 mph S
Humidity
86%
Dew Point
24°
Pressure
29.71 inHg
Visibility
8 mi
UV Index
3.3
Cloud Cover
93%
Sunrise
5:41 AM
Sunset
8:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: North Valley Stream is currently overcast at 26°C. Precipitation is likely — peak probability 90% around 5 PM. Atmospheric instability is elevated (CAPE up to 1720 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:20PM.

Alerts

Tornado Watch
Expires 8:00 PM
Tornado Watch
Expires 8:00 PM
Rip Current Statement
Kings (Brooklyn), NY, Southwest Suffolk, NY, Southeast Suffolk, NY, Southern Queens, NY, Southern Nassau, NY
Expires 7:00 PM
70 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
66%
4 PM
23°
82%
5 PM
25°
90%
6 PM
24°
90%
7 PM
24°
71%
8 PM
24°
84%
9 PM
23°
63%
10 PM
23°
57%
11 PM
23°
50%
12 AM
23°
49%
1 AM
24°
49%
2 AM
24°
50%
3 AM
24°
39%
4 AM
24°
40%
5 AM
22°
40%
6 AM
23°
36%
7 AM
23°
33%
8 AM
23°
33%
9 AM
23°
33%
10 AM
25°
33%
11 AM
25°
40%
12 PM
26°
41%
1 PM
25°
41%
2 PM
25°
51%
7-Day Forecast
Today
26° 22°
Overcast with a 90% chance of rain.
Wed
28° 22°
Mostly Clear with a 58% chance of rain.
Thu
26° 19°
Mostly Clear.
Fri
24° 17°
Mostly Cloudy.
Sat
25° 19°
Clear.
Sun
26° 20°
Drizzle, 81% chance.
Mon
27° 22°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Overcast 66% 12 mph S 86%
4 PM 23° Drizzle 82% 10 mph SSW 88%
5 PM 25° Heavy Rain 90% 10 mph SSW 89%
6 PM 24° Overcast 90% 11 mph S 90%
7 PM 24° Overcast 71% 11 mph S 90%
8 PM 24° Overcast 84% 10 mph S 90%
9 PM 23° Overcast 63% 10 mph S 91%
10 PM 23° Overcast 57% 11 mph SSW 90%
11 PM 23° Overcast 50% 11 mph SSW 91%
12 AM 23° Overcast 49% 12 mph SSW 91%
1 AM 24° Overcast 49% 13 mph SSW 92%
2 AM 24° Overcast 50% 12 mph SSW 92%
3 AM 24° Mostly Cloudy 39% 11 mph SSW 92%
4 AM 24° Mostly Cloudy 40% 10 mph SW 92%
5 AM 22° Partly Cloudy 40% 10 mph SW 90%
6 AM 23° Partly Cloudy 36% 10 mph SW 86%
7 AM 23° Mostly Clear 33% 11 mph SW 83%
8 AM 23° Mostly Clear 33% 11 mph SW 80%
9 AM 23° Clear 33% 10 mph SW 76%
10 AM 25° Clear 33% 10 mph SW 73%
11 AM 25° Clear 40% 10 mph SW 70%
12 PM 26° Mostly Clear 41% 10 mph SW 68%
1 PM 25° Mostly Clear 41% 10 mph SW 66%
2 PM 25° Mostly Clear 51% 10 mph SW 65%
15-Day Forecast
Today
7/21
Overcast
90%
22°
26°
Wed
7/22
Mostly Clear
58%
22°
28°
Thu
7/23
Mostly Clear
13%
19°
26°
Fri
7/24
Mostly Cloudy
17%
17°
24°
Sat
7/25
Clear
9%
19°
25°
Sun
7/26
Drizzle
81%
20°
26°
Mon
7/27
Drizzle
68%
22°
27°
Tue
7/28
Drizzle
60%
21°
27°
Wed
7/29
Drizzle
60%
20°
27°
Thu
7/30
Drizzle
60%
21°
28°
Fri
7/31
Drizzle
60%
20°
25°
Sat
8/1
Drizzle
60%
22°
24°
Sun
8/2
Drizzle
60%
22°
25°
Mon
8/3
Drizzle
60%
22°
25°
Tue
8/4
Drizzle
60%
22°
26°
70
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
70 AQI 19.1 µg/m³
O3
Ground-level ozone
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 70 Moderate 48 70
Thu 48 Good 48 46
Fri 53 Moderate 40 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 Tue Jul 21, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2105 J/kg
MLCAPE1800 J/kg
MUCAPE2105 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear38 kt
0–1 km Shear16 kt
Eff. Shear42 kt
0–1 km SRH-42
0–3 km SRH-59
Eff. SRH-59
Storm Motion199° @ 34 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.6
Thermo & Levels
PWAT2.24 in
0–3 km LR6.1 °C/km
700–500 LR5.4 °C/km
Total Totals48.4
LCL971 hPa
LFC1006 hPa
EL176 hPa
Freezing Lvl14,327 ft