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: 3:36 AM CDT  ·  Refresh
23°C
Feels like 26°
Haze
▲ 29°  /  ▼ 19°
Wind
10 mph SSW
Humidity
93%
Dew Point
22°
Pressure
29.64 inHg
Visibility
1 mi
UV Index
0.0
Cloud Cover
78%
Sunrise
6:03 AM
Sunset
8:25 PM
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WeatherAI™ Analysis

WeatherAI Analysis: King William County is currently haze at 23°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 1694 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:25PM.

Alerts

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°
70%
5 AM
22°
39%
6 AM
22°
40%
7 AM
23°
24%
8 AM
24°
54%
9 AM
26°
62%
10 AM
27°
54%
11 AM
28°
54%
12 PM
28°
63%
1 PM
28°
77%
2 PM
28°
82%
3 PM
28°
77%
4 PM
27°
81%
5 PM
27°
85%
6 PM
26°
90%
7 PM
24°
90%
8 PM
24°
86%
9 PM
24°
86%
10 PM
24°
86%
11 PM
23°
68%
12 AM
22°
60%
1 AM
23°
57%
2 AM
22°
57%
3 AM
22°
57%
7-Day Forecast
Today
29° 19°
Partly Cloudy with a 90% chance of rain.
Thu
26° 18°
Partly Cloudy with a 48% chance of rain.
Fri
28° 17°
Partly Cloudy with a 25% chance of rain.
Sat
24° 18°
Drizzle, 45% chance.
Sun
31° 18°
Drizzle, 64% chance.
Mon
33° 19°
Rain, 70% chance.
Tue
34° 21°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Haze 70% 10 mph SSW 93%
5 AM 22° Partly Cloudy 39% 9 mph SSW 93%
6 AM 22° Partly Cloudy 40% 10 mph SW 92%
7 AM 23° Partly Cloudy 24% 9 mph SW 90%
8 AM 24° Rain 54% 9 mph SW 86%
9 AM 26° Partly Cloudy 62% 10 mph SW 80%
10 AM 27° Partly Cloudy 54% 11 mph SW 75%
11 AM 28° Mostly Cloudy 54% 11 mph SW 71%
12 PM 28° Mostly Cloudy 63% 11 mph SW 68%
1 PM 28° Rain 77% 11 mph SW 65%
2 PM 28° Mostly Cloudy 82% 11 mph SW 66%
3 PM 28° Partly Cloudy 77% 10 mph SSW 68%
4 PM 27° Partly Cloudy 81% 10 mph SSW 70%
5 PM 27° Partly Cloudy 85% 9 mph SSW 74%
6 PM 26° Partly Cloudy 90% 6 mph SSW 80%
7 PM 24° Partly Cloudy 90% 5 mph SW 86%
8 PM 24° Mostly Cloudy 86% 5 mph SW 90%
9 PM 24° Mostly Cloudy 86% 4 mph SSW 92%
10 PM 24° Rain 86% 4 mph SSW 95%
11 PM 23° Rain 68% 4 mph SW 97%
12 AM 22° Rain 60% 4 mph WSW 97%
1 AM 23° Rain 57% 6 mph WNW 97%
2 AM 22° Rain 57% 6 mph NW 95%
3 AM 22° Drizzle 57% 6 mph NW 93%
15-Day Forecast
Today
7/22
Partly Cloudy
90%
19°
29°
Thu
7/23
Partly Cloudy
48%
18°
26°
Fri
7/24
Partly Cloudy
25%
17°
28°
Sat
7/25
Drizzle
45%
18°
24°
Sun
7/26
Drizzle
64%
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, 07:00'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
SBCAPE281 J/kg
MLCAPE554 J/kg
MUCAPE1130 J/kg
SBCIN-140 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear49 kt
0–1 km Shear34 kt
Eff. Shear48 kt
0–1 km SRH-16
0–3 km SRH-39
Eff. SRH-39
Storm Motion234° @ 47 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.8
Thermo & Levels
PWAT1.98 in
0–3 km LR4.8 °C/km
700–500 LR5.4 °C/km
Total Totals47.1
LCL985 hPa
LFC792 hPa
EL296 hPa
Freezing Lvl15,262 ft