Severe Thunderstorm Watch 11:00 PM

Henry County, Virginia, United States

Last updated: 10:32 PM CDT  ·  Refresh
27°C
Feels like 28°
Overcast
▲ 31°  /  ▼ 21°
Wind
8 mph SW
Humidity
73%
Dew Point
21°
Pressure
28.87 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
89%
Sunrise
6:17 AM
Sunset
8:34 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Henry County is currently overcast at 26°C. Precipitation is likely — peak probability 87% around 1 PM. Atmospheric instability is elevated (CAPE up to 1365 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:34PM.

51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
83%
12 AM
26°
78%
1 AM
26°
67%
2 AM
25°
72%
3 AM
24°
73%
4 AM
23°
80%
5 AM
22°
64%
6 AM
22°
79%
7 AM
22°
79%
8 AM
22°
80%
9 AM
22°
80%
10 AM
22°
80%
11 AM
23°
85%
12 PM
24°
82%
1 PM
27°
87%
2 PM
27°
75%
3 PM
27°
65%
4 PM
27°
66%
5 PM
28°
66%
6 PM
27°
62%
7 PM
26°
63%
8 PM
26°
58%
9 PM
24°
58%
10 PM
23°
55%
7-Day Forecast
Tonight
31° 21°
Overcast with a 83% chance of rain.
Wed
29° 22°
Heavy Rain, 85% chance.
Thu
27° 18°
Mostly Cloudy with a 42% chance of rain.
Fri
28° 17°
Partly Cloudy with a 73% chance of rain.
Sat
24° 18°
Drizzle, 80% chance.
Sun
33° 18°
Rain, 82% chance.
Mon
36° 20°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 83% 8 mph SW 73%
12 AM 26° Mostly Cloudy 78% 9 mph SW 75%
1 AM 26° Partly Cloudy 67% 8 mph SW 79%
2 AM 25° Mostly Cloudy 72% 8 mph SW 84%
3 AM 24° Mostly Cloudy 73% 7 mph SW 88%
4 AM 23° Mostly Cloudy 80% 7 mph SW 93%
5 AM 22° Overcast 64% 7 mph SW 94%
6 AM 22° Mostly Cloudy 79% 6 mph SW 94%
7 AM 22° Mostly Cloudy 79% 6 mph SW 94%
8 AM 22° Heavy Rain 80% 6 mph SW 93%
9 AM 22° Heavy Rain 80% 6 mph SW 90%
10 AM 22° Heavy Rain 80% 7 mph SW 87%
11 AM 23° Heavy Rain 85% 7 mph SW 84%
12 PM 24° Heavy Rain 82% 7 mph SW 80%
1 PM 27° Heavy Rain 87% 8 mph SW 78%
2 PM 27° Heavy Rain 75% 8 mph SW 77%
3 PM 27° Rain 65% 7 mph SW 77%
4 PM 27° Rain 66% 7 mph SW 76%
5 PM 28° Rain 66% 7 mph SW 77%
6 PM 27° Mostly Cloudy 62% 6 mph SW 80%
7 PM 26° Mostly Cloudy 63% 6 mph SW 83%
8 PM 26° Mostly Cloudy 58% 6 mph SW 86%
9 PM 24° Mostly Cloudy 58% 4 mph SW 87%
10 PM 23° Mostly Cloudy 55% 4 mph WSW 89%
15-Day Forecast
Today
7/21
Overcast
83%
21°
31°
Wed
7/22
Heavy Rain
85%
22°
29°
Thu
7/23
Mostly Cloudy
42%
18°
27°
Fri
7/24
Partly Cloudy
73%
17°
28°
Sat
7/25
Drizzle
80%
18°
24°
Sun
7/26
Rain
82%
18°
33°
Mon
7/27
Rain
64%
20°
36°
Tue
7/28
Rain
63%
20°
37°
Wed
7/29
Rain
68%
19°
33°
Thu
7/30
Rain
66%
18°
32°
Fri
7/31
Drizzle
60%
18°
32°
Sat
8/1
Drizzle
60%
18°
31°
Sun
8/2
Drizzle
60%
18°
31°
Mon
8/3
Drizzle
60%
19°
33°
Tue
8/4
Drizzle
60%
20°
34°
51
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 37 51
Thu 45 Good 30 45
Fri 34 Good 19 34
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, 02:00'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
SBCAPE767 J/kg
MLCAPE917 J/kg
MUCAPE1192 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.2
Kinematics
0–6 km Shear37 kt
0–1 km Shear27 kt
Eff. Shear38 kt
0–1 km SRH-45
0–3 km SRH-52
Eff. SRH-52
Storm Motion231° @ 42 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT2.29 in
0–3 km LR5.7 °C/km
700–500 LR5.6 °C/km
Total Totals46.6
LCL906 hPa
LFC978 hPa
EL184 hPa
Freezing Lvl14,984 ft