Areal Flood Watch 7:00 AM

Smyth County, Virginia, United States

Last updated: 1:05 AM CDT  ·  Refresh
22°C
Feels like 23°
Rain
▲ 24°  /  ▼ 16°
Wind
8 mph WSW
Humidity
97%
Dew Point
21°
Pressure
27.38 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
69%
Sunrise
6:23 AM
Sunset
8:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smyth County is currently rain at 22°C. Precipitation is likely — peak probability 90% around 2 AM. Atmospheric instability is elevated (CAPE up to 1200 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 8:40PM.

Alerts

Areal Flood Watch
Expires 7:00 AM
32 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
90%
3 AM
21°
90%
4 AM
21°
76%
5 AM
21°
90%
6 AM
19°
85%
7 AM
19°
80%
8 AM
19°
90%
9 AM
20°
87%
10 AM
20°
72%
11 AM
21°
77%
12 PM
21°
73%
1 PM
22°
82%
2 PM
24°
82%
3 PM
24°
70%
4 PM
24°
78%
5 PM
24°
64%
6 PM
24°
64%
7 PM
23°
64%
8 PM
23°
59%
9 PM
22°
59%
10 PM
21°
48%
11 PM
21°
48%
12 AM
20°
48%
1 AM
19°
31%
7-Day Forecast
Today
24° 16°
Rain, 90% chance.
Thu
27° 16°
Partly Cloudy with a 49% chance of rain.
Fri
26° 16°
Overcast with a 80% chance of rain.
Sat
24° 17°
Overcast with a 76% chance of rain.
Sun
28° 18°
Rain, 70% chance.
Mon
31° 18°
Rain, 71% chance.
Tue
32° 17°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Rain 90% 8 mph WSW 97%
3 AM 21° Mostly Cloudy 90% 9 mph WSW 97%
4 AM 21° Overcast 76% 8 mph WSW 97%
5 AM 21° Overcast 90% 9 mph SW 97%
6 AM 19° Mostly Cloudy 85% 8 mph SW 97%
7 AM 19° Rain 80% 6 mph WSW 97%
8 AM 19° Rain 90% 7 mph W 96%
9 AM 20° Mostly Cloudy 87% 6 mph W 95%
10 AM 20° Overcast 72% 6 mph WSW 95%
11 AM 21° Rain 77% 6 mph WSW 93%
12 PM 21° Rain 73% 7 mph WSW 90%
1 PM 22° Mostly Cloudy 82% 7 mph SW 88%
2 PM 24° Rain 82% 8 mph SW 86%
3 PM 24° Mostly Cloudy 70% 8 mph SW 86%
4 PM 24° Mostly Cloudy 78% 8 mph WSW 86%
5 PM 24° Overcast 64% 7 mph WSW 87%
6 PM 24° Overcast 64% 6 mph WSW 90%
7 PM 23° Overcast 64% 6 mph WSW 93%
8 PM 23° Overcast 59% 5 mph WSW 95%
9 PM 22° Overcast 59% 5 mph WSW 95%
10 PM 21° Overcast 48% 5 mph WSW 94%
11 PM 21° Mostly Cloudy 48% 5 mph W 94%
12 AM 20° Mostly Cloudy 48% 5 mph W 93%
1 AM 19° Mostly Cloudy 31% 4 mph NW 92%
15-Day Forecast
Today
7/22
Rain
90%
16°
24°
Thu
7/23
Partly Cloudy
49%
16°
27°
Fri
7/24
Overcast
80%
16°
26°
Sat
7/25
Overcast
76%
17°
24°
Sun
7/26
Rain
70%
18°
28°
Mon
7/27
Rain
71%
18°
31°
Tue
7/28
Rain
71%
17°
32°
Wed
7/29
Drizzle
43%
16°
31°
Thu
7/30
Drizzle
44%
16°
28°
Fri
7/31
Rain
68%
16°
27°
Sat
8/1
Drizzle
60%
15°
27°
Sun
8/2
Drizzle
60%
16°
28°
Mon
8/3
Drizzle
60%
16°
28°
Tue
8/4
Drizzle
60%
17°
29°
Wed
8/5
Drizzle
60%
17°
29°
32
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
32 AQI 5.8 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 31 32
Thu 32 Good 32 30
Fri 32 Good 23 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, 04:00'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
SBCAPE766 J/kg
MLCAPE937 J/kg
MUCAPE1347 J/kg
SBCIN-15 J/kg
MLCIN0 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear40 kt
0–1 km Shear28 kt
Eff. Shear41 kt
0–1 km SRH-39
0–3 km SRH-45
Eff. SRH-45
Storm Motion234° @ 39 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.2
Thermo & Levels
PWAT1.69 in
0–3 km LR5.1 °C/km
700–500 LR5.8 °C/km
Total Totals46.3
LCL916 hPa
LFC816 hPa
EL198 hPa
Freezing Lvl13,658 ft