Severe Thunderstorm Watch 12:00 AM

Halifax County, Virginia, United States

Last updated: 11:45 PM CDT  ·  Refresh
27°C
Feels like 29°
Overcast
▲ 29°  /  ▼ 18°
Wind
9 mph SW
Humidity
74%
Dew Point
22°
Pressure
29.33 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
90%
Sunrise
6:13 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Halifax County is currently overcast at 27°C. Precipitation is likely — peak probability 90% around 12 AM. Atmospheric instability is elevated (CAPE up to 1180 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 8:30PM.

Alerts

Severe Thunderstorm Watch
Expires 12:00 AM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
90%
1 AM
26°
71%
2 AM
26°
71%
3 AM
25°
90%
4 AM
24°
73%
5 AM
22°
78%
6 AM
22°
85%
7 AM
22°
85%
8 AM
23°
76%
9 AM
23°
76%
10 AM
23°
76%
11 AM
23°
85%
12 PM
24°
90%
1 PM
28°
85%
2 PM
27°
90%
3 PM
27°
85%
4 PM
27°
86%
5 PM
27°
86%
6 PM
26°
76%
7 PM
26°
77%
8 PM
25°
77%
9 PM
23°
77%
10 PM
23°
77%
11 PM
23°
78%
7-Day Forecast
Today
29° 18°
Mostly Cloudy with a 90% chance of rain.
Thu
27° 18°
Mostly Cloudy with a 73% chance of rain.
Fri
29° 16°
Mostly Cloudy with a 72% chance of rain.
Sat
25° 18°
Overcast with a 83% chance of rain.
Sun
34° 17°
Rain, 70% chance.
Mon
37° 21°
Rain, 71% chance.
Tue
38° 21°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 90% 9 mph SW 74%
1 AM 26° Overcast 71% 10 mph SW 79%
2 AM 26° Overcast 71% 8 mph SW 83%
3 AM 25° Overcast 90% 8 mph WSW 88%
4 AM 24° Mostly Cloudy 73% 9 mph SW 92%
5 AM 22° Mostly Cloudy 78% 9 mph SW 92%
6 AM 22° Overcast 85% 8 mph SW 91%
7 AM 22° Overcast 85% 9 mph SW 92%
8 AM 23° Heavy Rain 76% 9 mph SW 91%
9 AM 23° Heavy Rain 76% 10 mph SW 90%
10 AM 23° Heavy Rain 76% 10 mph SW 88%
11 AM 23° Mostly Cloudy 85% 9 mph SW 84%
12 PM 24° Mostly Cloudy 90% 9 mph SW 80%
1 PM 28° Mostly Cloudy 85% 9 mph SW 75%
2 PM 27° Mostly Cloudy 90% 9 mph SW 75%
3 PM 27° Mostly Cloudy 85% 8 mph SW 76%
4 PM 27° Heavy Rain 86% 8 mph SW 76%
5 PM 27° Heavy Rain 86% 7 mph SW 79%
6 PM 26° Heavy Rain 76% 7 mph SW 83%
7 PM 26° Heavy Rain 77% 7 mph SW 86%
8 PM 25° Rain 77% 6 mph SW 89%
9 PM 23° Mostly Cloudy 77% 6 mph SW 90%
10 PM 23° Overcast 77% 6 mph SW 92%
11 PM 23° Overcast 78% 5 mph SW 93%
15-Day Forecast
Today
7/22
Mostly Cloudy
90%
18°
29°
Thu
7/23
Mostly Cloudy
73%
18°
27°
Fri
7/24
Mostly Cloudy
72%
16°
29°
Sat
7/25
Overcast
83%
18°
25°
Sun
7/26
Rain
70%
17°
34°
Mon
7/27
Rain
71%
21°
37°
Tue
7/28
Rain
71%
21°
38°
Wed
7/29
Rain
68%
19°
34°
Thu
7/30
Drizzle
44%
18°
32°
Fri
7/31
Drizzle
51%
18°
32°
Sat
8/1
Drizzle
60%
19°
31°
Sun
8/2
Drizzle
60%
19°
32°
Mon
8/3
Drizzle
60%
19°
33°
Tue
8/4
Drizzle
60%
21°
34°
Wed
8/5
Drizzle
60%
21°
34°
46
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
46 AQI 8.4 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 39 46
Thu 43 Good 29 43
Fri 35 Good 19 35
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, 03:00'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
SBCAPE1014 J/kg
MLCAPE836 J/kg
MUCAPE1120 J/kg
SBCIN-69 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear38 kt
0–1 km Shear32 kt
Eff. Shear40 kt
0–1 km SRH-97
0–3 km SRH-76
Eff. SRH-76
Storm Motion227° @ 41 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT2.35 in
0–3 km LR5.8 °C/km
700–500 LR5.5 °C/km
Total Totals46.6
LCL922 hPa
LFC811 hPa
EL183 hPa
Freezing Lvl15,413 ft