Westmoreland County, Virginia, United States

Last updated: 2:27 AM CDT  ·  Refresh
23°C
Feels like 26°
Mostly Cloudy
▲ 31°  /  ▼ 20°
Wind
9 mph SSW
Humidity
95%
Dew Point
22°
Pressure
29.66 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
63%
Sunrise
6:01 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Westmoreland County is currently mostly cloudy at 23°C. Precipitation is likely — peak probability 78% around 6 PM. Atmospheric instability is elevated (CAPE up to 1725 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:25PM.

Alerts

No active alerts for this location.
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
49%
4 AM
23°
47%
5 AM
22°
47%
6 AM
23°
65%
7 AM
23°
43%
8 AM
24°
42%
9 AM
26°
54%
10 AM
27°
54%
11 AM
28°
58%
12 PM
29°
56%
1 PM
29°
61%
2 PM
29°
61%
3 PM
29°
70%
4 PM
28°
65%
5 PM
28°
65%
6 PM
27°
78%
7 PM
26°
67%
8 PM
25°
67%
9 PM
25°
68%
10 PM
24°
65%
11 PM
24°
56%
12 AM
24°
47%
1 AM
24°
48%
2 AM
23°
48%
7-Day Forecast
Today
31° 20°
Mostly Cloudy with a 78% chance of rain.
Thu
27° 19°
Partly Cloudy with a 53% chance of rain.
Fri
28° 18°
Partly Cloudy.
Sat
26° 18°
Mostly Cloudy with a 37% chance of rain.
Sun
31° 18°
Drizzle, 82% chance.
Mon
33° 21°
Rain, 70% chance.
Tue
34° 21°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Cloudy 49% 9 mph SSW 95%
4 AM 23° Mostly Cloudy 47% 9 mph SSW 94%
5 AM 22° Overcast 47% 9 mph SSW 93%
6 AM 23° Mostly Cloudy 65% 9 mph SW 92%
7 AM 23° Partly Cloudy 43% 11 mph SW 90%
8 AM 24° Partly Cloudy 42% 11 mph SW 87%
9 AM 26° Mostly Cloudy 54% 11 mph SW 81%
10 AM 27° Mostly Cloudy 54% 10 mph SW 75%
11 AM 28° Mostly Cloudy 58% 10 mph WSW 71%
12 PM 29° Mostly Cloudy 56% 9 mph WSW 67%
1 PM 29° Mostly Cloudy 61% 8 mph WSW 64%
2 PM 29° Mostly Cloudy 61% 8 mph SW 64%
3 PM 29° Mostly Cloudy 70% 7 mph SW 68%
4 PM 28° Mostly Cloudy 65% 7 mph SW 72%
5 PM 28° Partly Cloudy 65% 8 mph SW 77%
6 PM 27° Partly Cloudy 78% 7 mph SSW 82%
7 PM 26° Heavy Rain 67% 8 mph SSW 88%
8 PM 25° Rain 67% 8 mph SW 92%
9 PM 25° Rain 68% 6 mph SW 92%
10 PM 24° Rain 65% 6 mph SW 92%
11 PM 24° Rain 56% 6 mph WSW 91%
12 AM 24° Rain 47% 8 mph W 88%
1 AM 24° Rain 48% 9 mph NW 85%
2 AM 23° Rain 48% 10 mph NNW 82%
15-Day Forecast
Today
7/22
Mostly Cloudy
78%
20°
31°
Thu
7/23
Partly Cloudy
53%
19°
27°
Fri
7/24
Partly Cloudy
14%
18°
28°
Sat
7/25
Mostly Cloudy
37%
18°
26°
Sun
7/26
Drizzle
82%
18°
31°
Mon
7/27
Rain
70%
21°
33°
Tue
7/28
Rain
63%
21°
34°
Wed
7/29
Rain
69%
20°
33°
Thu
7/30
Rain
66%
20°
31°
Fri
7/31
Drizzle
51%
19°
29°
Sat
8/1
Drizzle
60%
20°
29°
Sun
8/2
Drizzle
60%
20°
29°
Mon
8/3
Rain
90%
21°
30°
Tue
8/4
Drizzle
60%
21°
31°
Wed
8/5
Drizzle
60%
21°
31°
40
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
24 AQI 4.5 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 40 Good 40 24
Thu 38 Good 38 26
Fri 34 Good 34 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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 22, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE353 J/kg
MLCAPE816 J/kg
MUCAPE1422 J/kg
SBCIN-92 J/kg
MLCIN0 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear48 kt
0–1 km Shear28 kt
Eff. Shear49 kt
0–1 km SRH-65
0–3 km SRH-113
Eff. SRH-113
Storm Motion231° @ 42 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.7
Thermo & Levels
PWAT2.37 in
0–3 km LR5.0 °C/km
700–500 LR5.0 °C/km
Total Totals46.7
LCL990 hPa
LFC788 hPa
EL259 hPa
Freezing Lvl14,888 ft