Alleghany County, Virginia, United States

Last updated: 11:49 PM CDT  ·  Refresh
22°C
Feels like 24°
Haze
▲ 29°  /  ▼ 16°
Wind
3 mph SW
Humidity
93%
Dew Point
20°
Pressure
27.95 inHg
Visibility
1 mi
UV Index
0.0
Cloud Cover
85%
Sunrise
6:15 AM
Sunset
8:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alleghany County is currently haze at 22°C. Precipitation is likely — peak probability 55% around 12 AM. Atmospheric instability is elevated (CAPE up to 796 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 8:37PM.

Alerts

No active alerts for this location.
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
55%
1 AM
22°
53%
2 AM
21°
26%
3 AM
21°
22%
4 AM
21°
19%
5 AM
19°
28%
6 AM
19°
28%
7 AM
20°
28%
8 AM
22°
21%
9 AM
23°
22%
10 AM
24°
22%
11 AM
25°
14%
12 PM
26°
14%
1 PM
28°
14%
2 PM
28°
14%
3 PM
28°
14%
4 PM
28°
15%
5 PM
28°
15%
6 PM
27°
5%
7 PM
26°
5%
8 PM
24°
5%
9 PM
23°
5%
10 PM
22°
5%
11 PM
22°
5%
7-Day Forecast
Today
29° 16°
Mostly Cloudy with a 55% chance of rain.
Thu
26° 15°
Mostly Cloudy.
Fri
25° 14°
Mostly Cloudy with a 72% chance of rain.
Sat
24° 16°
Drizzle, 68% chance.
Sun
31° 16°
Rain, 82% chance.
Mon
32° 18°
Rain, 63% chance.
Tue
35° 17°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Haze 55% 3 mph SW 93%
1 AM 22° Mostly Cloudy 53% 4 mph WSW 94%
2 AM 21° Partly Cloudy 26% 5 mph WSW 94%
3 AM 21° Mostly Cloudy 22% 4 mph WSW 94%
4 AM 21° Mostly Clear 19% 4 mph WSW 95%
5 AM 19° Partly Cloudy 28% 4 mph WSW 94%
6 AM 19° Partly Cloudy 28% 3 mph WSW 94%
7 AM 20° Mostly Cloudy 28% 4 mph WSW 93%
8 AM 22° Mostly Cloudy 21% 6 mph W 85%
9 AM 23° Mostly Cloudy 22% 7 mph W 76%
10 AM 24° Mostly Cloudy 22% 8 mph W 67%
11 AM 25° Mostly Cloudy 14% 8 mph W 62%
12 PM 26° Overcast 14% 8 mph W 58%
1 PM 28° Mostly Cloudy 14% 8 mph WNW 55%
2 PM 28° Partly Cloudy 14% 8 mph WNW 54%
3 PM 28° Partly Cloudy 14% 8 mph WNW 53%
4 PM 28° Partly Cloudy 15% 8 mph WNW 53%
5 PM 28° Partly Cloudy 15% 7 mph WNW 57%
6 PM 27° Partly Cloudy 5% 6 mph WNW 62%
7 PM 26° Mostly Cloudy 5% 5 mph WNW 66%
8 PM 24° Mostly Cloudy 5% 5 mph NW 69%
9 PM 23° Partly Cloudy 5% 5 mph NW 71%
10 PM 22° Partly Cloudy 5% 5 mph NW 73%
11 PM 22° Partly Cloudy 5% 5 mph NW 75%
15-Day Forecast
Today
7/22
Mostly Cloudy
55%
16°
29°
Thu
7/23
Mostly Cloudy
6%
15°
26°
Fri
7/24
Mostly Cloudy
72%
14°
25°
Sat
7/25
Drizzle
68%
16°
24°
Sun
7/26
Rain
82%
16°
31°
Mon
7/27
Rain
63%
18°
32°
Tue
7/28
Drizzle
53%
17°
35°
Wed
7/29
Rain
69%
14°
29°
Thu
7/30
Drizzle
44%
14°
29°
Fri
7/31
Drizzle
51%
14°
31°
Sat
8/1
Drizzle
60%
14°
29°
Sun
8/2
Drizzle
60%
15°
28°
Mon
8/3
Drizzle
60%
16°
29°
Tue
8/4
Drizzle
60%
16°
29°
Wed
8/5
Drizzle
60%
17°
30°
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 8.3 µg/m³
O3
Ground-level ozone
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 32 46
Thu 48 Good 36 48
Fri 43 Good 26 43
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 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE502 J/kg
MLCAPE729 J/kg
MUCAPE925 J/kg
SBCIN-45 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear47 kt
0–1 km Shear38 kt
Eff. Shear47 kt
0–1 km SRH-104
0–3 km SRH-96
Eff. SRH-96
Storm Motion235° @ 40 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.3
Thermo & Levels
PWAT1.80 in
0–3 km LR5.1 °C/km
700–500 LR5.8 °C/km
Total Totals47.7
LCL930 hPa
LFC824 hPa
EL278 hPa
Freezing Lvl13,520 ft