Severe Thunderstorm Watch 11:00 PM

Pittsylvania County, Virginia, United States

Last updated: 10:35 PM CDT  ·  Refresh
27°C
Feels like 29°
Overcast
▲ 32°  /  ▼ 21°
Wind
7 mph SW
Humidity
73%
Dew Point
22°
Pressure
29.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
92%
Sunrise
6:14 AM
Sunset
8:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pittsylvania County is currently overcast at 26°C. Precipitation is likely — peak probability 90% around 11 PM. Atmospheric instability is elevated (CAPE up to 1366 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 8:33PM.

Alerts

Severe Thunderstorm Watch
Expires 11:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
90%
12 AM
26°
71%
1 AM
25°
71%
2 AM
24°
72%
3 AM
24°
73%
4 AM
23°
90%
5 AM
21°
75%
6 AM
21°
76%
7 AM
21°
76%
8 AM
22°
76%
9 AM
22°
76%
10 AM
23°
73%
11 AM
24°
85%
12 PM
24°
85%
1 PM
28°
82%
2 PM
28°
71%
3 PM
27°
71%
4 PM
27°
62%
5 PM
27°
62%
6 PM
27°
67%
7 PM
27°
67%
8 PM
26°
59%
9 PM
24°
59%
10 PM
23°
56%
7-Day Forecast
Tonight
32° 21°
Overcast with a 90% chance of rain.
Wed
29° 21°
Heavy Rain, 85% chance.
Thu
27° 18°
Mostly Cloudy with a 39% chance of rain.
Fri
29° 16°
Partly Cloudy with a 73% chance of rain.
Sat
25° 18°
Rain, 67% chance.
Sun
33° 18°
Rain, 70% chance.
Mon
37° 20°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 90% 7 mph SW 73%
12 AM 26° Mostly Cloudy 71% 9 mph SW 80%
1 AM 25° Partly Cloudy 71% 8 mph SW 86%
2 AM 24° Mostly Cloudy 72% 8 mph SW 90%
3 AM 24° Mostly Cloudy 73% 8 mph SW 92%
4 AM 23° Mostly Cloudy 90% 8 mph SW 94%
5 AM 21° Overcast 75% 7 mph SW 95%
6 AM 21° Heavy Rain 76% 7 mph SW 94%
7 AM 21° Heavy Rain 76% 7 mph SW 94%
8 AM 22° Heavy Rain 76% 7 mph SW 93%
9 AM 22° Heavy Rain 76% 7 mph SW 90%
10 AM 23° Mostly Cloudy 73% 8 mph SW 86%
11 AM 24° Heavy Rain 85% 8 mph SW 82%
12 PM 24° Mostly Cloudy 85% 9 mph SW 78%
1 PM 28° Partly Cloudy 82% 9 mph SW 74%
2 PM 28° Partly Cloudy 71% 9 mph SW 76%
3 PM 27° Mostly Cloudy 71% 9 mph SW 80%
4 PM 27° Heavy Rain 62% 8 mph SW 84%
5 PM 27° Rain 62% 8 mph SSW 85%
6 PM 27° Mostly Cloudy 67% 7 mph SSW 85%
7 PM 27° Partly Cloudy 67% 6 mph SSW 84%
8 PM 26° Mostly Cloudy 59% 6 mph SSW 86%
9 PM 24° Mostly Cloudy 59% 5 mph SSW 88%
10 PM 23° Rain 56% 5 mph SSW 89%
15-Day Forecast
Today
7/21
Overcast
90%
21°
32°
Wed
7/22
Heavy Rain
85%
21°
29°
Thu
7/23
Mostly Cloudy
39%
18°
27°
Fri
7/24
Partly Cloudy
73%
16°
29°
Sat
7/25
Rain
67%
18°
25°
Sun
7/26
Rain
70%
18°
33°
Mon
7/27
Rain
64%
20°
37°
Tue
7/28
Rain
63%
20°
38°
Wed
7/29
Rain
69%
19°
34°
Thu
7/30
Drizzle
44%
19°
32°
Fri
7/31
Drizzle
60%
18°
32°
Sat
8/1
Drizzle
60%
18°
31°
Sun
8/2
Drizzle
60%
19°
32°
Mon
8/3
Drizzle
60%
19°
33°
Tue
8/4
Drizzle
60%
20°
34°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 39 48
Thu 42 Good 31 42
Fri 32 Good 19 32
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 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1095 J/kg
MLCAPE1025 J/kg
MUCAPE1407 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear39 kt
0–1 km Shear29 kt
Eff. Shear41 kt
0–1 km SRH-55
0–3 km SRH-60
Eff. SRH-60
Storm Motion229° @ 41 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.8
Thermo & Levels
PWAT2.37 in
0–3 km LR5.7 °C/km
700–500 LR5.5 °C/km
Total Totals46.7
LCL921 hPa
LFC983 hPa
EL164 hPa
Freezing Lvl14,915 ft