High Wind Watch 7:00 PM

Dartmouth, Massachusetts

Last updated: 9:18 PM CDT  ·  Refresh
12°C
Feels like 9°
Mostly Clear
▲ 17°  /  ▼ 12°
Wind
9 mph NE
Humidity
74%
Dew Point
8°
Pressure
30.37 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
24%
Sunrise
6:32 AM
Sunset
6:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dartmouth is currently mostly clear at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:32AM · Sunset: 6:39PM.

Alerts

High Wind Watch
Expires 7:00 PM
19 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
3%
11 PM
12°
19%
12 AM
12°
20%
1 AM
13°
20%
2 AM
13°
3%
3 AM
13°
3%
4 AM
13°
3%
5 AM
12°
3%
6 AM
12°
3%
7 AM
13°
3%
8 AM
14°
3%
9 AM
14°
3%
10 AM
16°
3%
11 AM
16°
3%
12 PM
16°
3%
1 PM
17°
15%
2 PM
17°
19%
3 PM
17°
19%
4 PM
17°
3%
5 PM
16°
3%
6 PM
16°
3%
7 PM
16°
3%
8 PM
15°
3%
9 PM
14°
3%
7-Day Forecast
Tonight
17° 12°
Mostly Clear.
Thu
17° 12°
Mostly Cloudy with a 20% chance of rain.
Fri
17° 12°
Rain, 83% chance.
Sat
17° 13°
Overcast with a 90% chance of rain.
Sun
17° 13°
Rain, 90% chance.
Mon
17° 13°
Rain, 67% chance.
Tue
20° 13°
Mostly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 12° Mostly Clear 3% 9 mph NE 74%
11 PM 12° Mostly Clear 19% 9 mph NE 76%
12 AM 12° Partly Cloudy 20% 9 mph NE 77%
1 AM 13° Mostly Clear 20% 9 mph NE 78%
2 AM 13° Partly Cloudy 3% 10 mph NE 78%
3 AM 13° Partly Cloudy 3% 10 mph NE 77%
4 AM 13° Partly Cloudy 3% 11 mph NE 76%
5 AM 12° Partly Cloudy 3% 11 mph NE 75%
6 AM 12° Partly Cloudy 3% 12 mph NE 73%
7 AM 13° Partly Cloudy 3% 12 mph NE 71%
8 AM 14° Partly Cloudy 3% 13 mph NE 66%
9 AM 14° Mostly Cloudy 3% 14 mph NE 62%
10 AM 16° Mostly Cloudy 3% 16 mph NE 60%
11 AM 16° Mostly Cloudy 3% 16 mph NE 58%
12 PM 16° Mostly Cloudy 3% 17 mph NE 59%
1 PM 17° Mostly Cloudy 15% 17 mph NE 59%
2 PM 17° Mostly Cloudy 19% 17 mph NE 62%
3 PM 17° Mostly Cloudy 19% 16 mph NE 61%
4 PM 17° Mostly Cloudy 3% 15 mph NE 61%
5 PM 16° Mostly Cloudy 3% 15 mph NE 61%
6 PM 16° Mostly Cloudy 3% 14 mph NE 62%
7 PM 16° Mostly Cloudy 3% 14 mph NE 63%
8 PM 15° Mostly Cloudy 3% 14 mph NNE 69%
9 PM 14° Mostly Cloudy 3% 14 mph NNE 70%
15-Day Forecast
Today
9/23
Mostly Clear
3%
12°
17°
Thu
9/24
Mostly Cloudy
20%
12°
17°
Fri
9/25
Rain
83%
12°
17°
Sat
9/26
Overcast
90%
13°
17°
Sun
9/27
Rain
90%
13°
17°
Mon
9/28
Rain
67%
13°
17°
Tue
9/29
Mostly Cloudy
21%
13°
20°
Wed
9/30
Mostly Cloudy
21%
13°
22°
Thu
10/1
Rain
58%
14°
22°
Fri
10/2
Drizzle
54%
13°
23°
Sat
10/3
Drizzle
60%
13°
22°
Sun
10/4
Drizzle
60%
13°
21°
Mon
10/5
Drizzle
60%
12°
19°
Tue
10/6
Drizzle
90%
11°
18°
Wed
10/7
Drizzle
90%
11°
18°
19
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
9 AQI 1.6 µg/m³
O3
Ground-level ozone
Dominant
19 AQI 21 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 19 Good 19 9
Fri 24 Good 24 8
Sat 24 Good 24 13
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 Thu Sep 24, 01:00'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
SBCAPE0 J/kg
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index17.3
Kinematics
0–6 km Shear13 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH-73
0–3 km SRH-27
Eff. SRH—
Storm Motion18° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-30.3
Thermo & Levels
PWAT0.42 in
0–3 km LR2.9 °C/km
700–500 LR4.9 °C/km
Total Totals8.7
LCL966 hPa
LFC—
EL—
Freezing Lvl11,027 ft