Areal Flood Advisory — Goochland County, VA, Hanover County, VA, Henrico County, VA, King William County, VA, Powhatan County, VA 3:15 AM Areal Flood Advisory — Chesterfield County, VA, Essex County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, City of Richmond County, VA 3:45 AM Areal Flood Watch 11:00 PM

King William County, Virginia, United States

Last updated: 2:27 AM CDT  ·  Refresh
23°C
Feels like 26°
Rain
▲ 29°  /  ▼ 19°
Wind
8 mph SW
Humidity
95%
Dew Point
22°
Pressure
29.65 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
81%
Sunrise
6:03 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: King William County is currently rain at 23°C. Precipitation is likely — peak probability 90% around 3 AM. Atmospheric instability is elevated (CAPE up to 1719 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:25PM.

Alerts

Areal Flood Advisory
Goochland County, VA, Hanover County, VA, Henrico County, VA, King William County, VA, Powhatan County, VA
Expires 3:15 AM
Areal Flood Advisory
Chesterfield County, VA, Essex County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, City of Richmond County, VA
Expires 3:45 AM
Areal Flood Watch
Expires 11:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
90%
4 AM
23°
70%
5 AM
22°
58%
6 AM
22°
40%
7 AM
23°
43%
8 AM
24°
48%
9 AM
26°
58%
10 AM
27°
69%
11 AM
27°
55%
12 PM
28°
55%
1 PM
28°
67%
2 PM
28°
73%
3 PM
28°
87%
4 PM
27°
81%
5 PM
27°
85%
6 PM
26°
90%
7 PM
25°
90%
8 PM
24°
90%
9 PM
24°
86%
10 PM
23°
86%
11 PM
23°
68%
12 AM
23°
60%
1 AM
23°
57%
2 AM
23°
57%
7-Day Forecast
Today
29° 19°
Partly Cloudy with a 90% chance of rain.
Thu
27° 18°
Mostly Cloudy with a 53% chance of rain.
Fri
28° 17°
Partly Cloudy with a 25% chance of rain.
Sat
24° 18°
Drizzle, 45% chance.
Sun
31° 18°
Drizzle, 82% chance.
Mon
33° 19°
Rain, 70% chance.
Tue
34° 21°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Rain 90% 8 mph SW 95%
4 AM 23° Partly Cloudy 70% 7 mph SSW 94%
5 AM 22° Partly Cloudy 58% 9 mph SSW 93%
6 AM 22° Partly Cloudy 40% 10 mph SSW 92%
7 AM 23° Partly Cloudy 43% 10 mph SW 90%
8 AM 24° Partly Cloudy 48% 10 mph SW 87%
9 AM 26° Partly Cloudy 58% 10 mph SW 81%
10 AM 27° Partly Cloudy 69% 11 mph SW 76%
11 AM 27° Mostly Cloudy 55% 11 mph SW 72%
12 PM 28° Mostly Cloudy 55% 10 mph SW 68%
1 PM 28° Mostly Cloudy 67% 10 mph SW 65%
2 PM 28° Mostly Cloudy 73% 10 mph SW 65%
3 PM 28° Partly Cloudy 87% 10 mph SW 67%
4 PM 27° Partly Cloudy 81% 10 mph SSW 70%
5 PM 27° Partly Cloudy 85% 9 mph SSW 73%
6 PM 26° Partly Cloudy 90% 7 mph SW 79%
7 PM 25° Partly Cloudy 90% 5 mph SW 85%
8 PM 24° Mostly Cloudy 90% 4 mph SW 89%
9 PM 24° Mostly Cloudy 86% 4 mph SW 92%
10 PM 23° Rain 86% 4 mph SW 95%
11 PM 23° Rain 68% 3 mph WSW 97%
12 AM 23° Rain 60% 4 mph W 97%
1 AM 23° Rain 57% 5 mph WNW 97%
2 AM 23° Rain 57% 6 mph NW 96%
15-Day Forecast
Today
7/22
Partly Cloudy
90%
19°
29°
Thu
7/23
Mostly Cloudy
53%
18°
27°
Fri
7/24
Partly Cloudy
25%
17°
28°
Sat
7/25
Drizzle
45%
18°
24°
Sun
7/26
Drizzle
82%
18°
31°
Mon
7/27
Rain
70%
19°
33°
Tue
7/28
Rain
63%
21°
34°
Wed
7/29
Drizzle
69%
21°
33°
Thu
7/30
Rain
66%
20°
30°
Fri
7/31
Drizzle
51%
19°
28°
Sat
8/1
Drizzle
60%
20°
31°
Sun
8/2
Drizzle
60%
21°
31°
Mon
8/3
Drizzle
60%
21°
31°
Tue
8/4
Drizzle
60%
21°
32°
Wed
8/5
Drizzle
60%
21°
32°
45
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
45 AQI 8.1 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 35 45
Thu 51 Moderate 39 51
Fri 28 Good 28 17
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
SBCAPE372 J/kg
MLCAPE823 J/kg
MUCAPE1303 J/kg
SBCIN-81 J/kg
MLCIN0 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear44 kt
0–1 km Shear30 kt
Eff. Shear45 kt
0–1 km SRH-39
0–3 km SRH-69
Eff. SRH-69
Storm Motion232° @ 42 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT2.41 in
0–3 km LR4.8 °C/km
700–500 LR5.3 °C/km
Total Totals47.4
LCL989 hPa
LFC796 hPa
EL242 hPa
Freezing Lvl15,728 ft