Severe Thunderstorm Watch 11:00 PM

Grant County, West Virginia, United States

Last updated: 10:34 PM CDT  ·  Refresh
19°C
Feels like 20°
Mostly Cloudy
▲ 23°  /  ▼ 17°
Wind
5 mph SW
Humidity
92%
Dew Point
18°
Pressure
27.83 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
70%
Sunrise
6:08 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grant County is currently mostly cloudy at 19°C. Precipitation is likely — peak probability 65% around 2 AM. Atmospheric instability is elevated (CAPE up to 503 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 8:38PM.

Alerts

Severe Thunderstorm Watch
Expires 11:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
32%
12 AM
19°
32%
1 AM
19°
40%
2 AM
19°
65%
3 AM
19°
62%
4 AM
19°
27%
5 AM
18°
24%
6 AM
19°
20%
7 AM
19°
16%
8 AM
20°
16%
9 AM
21°
16%
10 AM
21°
17%
11 AM
22°
8%
12 PM
22°
5%
1 PM
23°
5%
2 PM
23°
5%
3 PM
24°
5%
4 PM
24°
5%
5 PM
24°
3%
6 PM
23°
3%
7 PM
22°
3%
8 PM
21°
3%
9 PM
20°
3%
10 PM
19°
3%
7-Day Forecast
Tonight
23° 17°
Mostly Cloudy with a 32% chance of rain.
Wed
24° 14°
Partly Cloudy with a 65% chance of rain.
Thu
24° 12°
Mostly Clear.
Fri
24° 12°
Mostly Cloudy with a 58% chance of rain.
Sat
23° 14°
Overcast with a 30% chance of rain.
Sun
29° 15°
Rain, 82% chance.
Mon
31° 17°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Cloudy 32% 5 mph SW 92%
12 AM 19° Mostly Cloudy 32% 5 mph SSW 93%
1 AM 19° Mostly Cloudy 40% 5 mph SSW 92%
2 AM 19° Rain 65% 3 mph SW 93%
3 AM 19° Mostly Cloudy 62% 3 mph WSW 94%
4 AM 19° Partly Cloudy 27% 4 mph W 94%
5 AM 18° Partly Cloudy 24% 4 mph W 93%
6 AM 19° Partly Cloudy 20% 3 mph W 92%
7 AM 19° Mostly Cloudy 16% 3 mph WSW 92%
8 AM 20° Mostly Cloudy 16% 4 mph W 87%
9 AM 21° Mostly Cloudy 16% 6 mph W 81%
10 AM 21° Mostly Cloudy 17% 8 mph W 75%
11 AM 22° Partly Cloudy 8% 8 mph W 70%
12 PM 22° Partly Cloudy 5% 9 mph W 67%
1 PM 23° Partly Cloudy 5% 9 mph W 65%
2 PM 23° Mostly Clear 5% 9 mph W 63%
3 PM 24° Mostly Clear 5% 9 mph W 62%
4 PM 24° Mostly Clear 5% 9 mph W 62%
5 PM 24° Mostly Clear 3% 8 mph WNW 63%
6 PM 23° Mostly Clear 3% 7 mph WNW 66%
7 PM 22° Mostly Clear 3% 7 mph WNW 69%
8 PM 21° Mostly Clear 3% 6 mph WNW 72%
9 PM 20° Partly Cloudy 3% 6 mph WNW 76%
10 PM 19° Partly Cloudy 3% 6 mph WNW 79%
15-Day Forecast
Today
7/21
Mostly Cloudy
32%
17°
23°
Wed
7/22
Partly Cloudy
65%
14°
24°
Thu
7/23
Mostly Clear
6%
12°
24°
Fri
7/24
Mostly Cloudy
58%
12°
24°
Sat
7/25
Overcast
30%
14°
23°
Sun
7/26
Rain
82%
15°
29°
Mon
7/27
Rain
64%
17°
31°
Tue
7/28
Thunderstorm
63%
15°
34°
Wed
7/29
Drizzle
44%
14°
27°
Thu
7/30
Drizzle
44%
13°
27°
Fri
7/31
Drizzle
60%
13°
27°
Sat
8/1
Drizzle
60%
14°
27°
Sun
8/2
Drizzle
60%
15°
28°
Mon
8/3
Drizzle
60%
16°
29°
Tue
8/4
Drizzle
60%
17°
30°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
28 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 28
Thu 36 Good 36 18
Fri 34 Good 34 30
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 LCL0°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 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE234 J/kg
MUCAPE552 J/kg
SBCIN-5599 J/kg
MLCIN0 J/kg
Lifted Index0.7
Kinematics
0–6 km Shear41 kt
0–1 km Shear35 kt
Eff. Shear30 kt
0–1 km SRH-64
0–3 km SRH-21
Eff. SRH-9
Storm Motion233° @ 36 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index37.2
Thermo & Levels
PWAT1.53 in
0–3 km LR4.5 °C/km
700–500 LR6.0 °C/km
Total Totals48.1
LCL923 hPa
LFC—
EL—
Freezing Lvl13,035 ft