Flood Watch 7:00 AM

Mason County, West Virginia, United States

Last updated: 10:10 PM CDT  ·  Refresh
25°C
Feels like 29°
Mostly Cloudy
▲ 31°  /  ▼ 21°
Wind
4 mph S
Humidity
87%
Dew Point
23°
Pressure
29.27 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
83%
Sunrise
6:42 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently mostly cloudy at 25°C. Precipitation is likely — peak probability 77% around 4 AM. Atmospheric instability is elevated (CAPE up to 2362 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 8:22PM.

Alerts

Flood Watch
Expires 7:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
53%
12 AM
25°
64%
1 AM
24°
67%
2 AM
23°
63%
3 AM
23°
62%
4 AM
23°
77%
5 AM
23°
38%
6 AM
22°
26%
7 AM
22°
27%
8 AM
23°
24%
9 AM
25°
29%
10 AM
26°
30%
11 AM
28°
37%
12 PM
29°
41%
1 PM
29°
53%
2 PM
31°
54%
3 PM
31°
54%
4 PM
30°
47%
5 PM
29°
63%
6 PM
31°
64%
7 PM
30°
69%
8 PM
29°
70%
9 PM
29°
61%
10 PM
27°
63%
7-Day Forecast
Tonight
31° 21°
Mostly Cloudy with a 53% chance of rain.
Sun
32° 22°
Partly Cloudy with a 63% chance of rain.
Mon
30° 20°
Rain, 64% chance.
Tue
30° 18°
Clear with a 48% chance of rain.
Wed
32° 18°
Drizzle, 69% chance.
Thu
29° 17°
Rain, 69% chance.
Fri
29° 16°
Rain, 42% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Cloudy 53% 4 mph S 87%
12 AM 25° Overcast 64% 5 mph SSW 91%
1 AM 24° Overcast 67% 4 mph SSW 93%
2 AM 23° Overcast 63% 4 mph S 97%
3 AM 23° Overcast 62% 4 mph S 98%
4 AM 23° Overcast 77% 4 mph S 98%
5 AM 23° Overcast 38% 4 mph S 97%
6 AM 22° Mostly Cloudy 26% 5 mph SSW 97%
7 AM 22° Partly Cloudy 27% 5 mph SSW 97%
8 AM 23° Partly Cloudy 24% 4 mph SSW 95%
9 AM 25° Mostly Clear 29% 6 mph SW 87%
10 AM 26° Clear 30% 7 mph SW 79%
11 AM 28° Clear 37% 8 mph WSW 72%
12 PM 29° Mostly Clear 41% 9 mph WSW 67%
1 PM 29° Partly Cloudy 53% 10 mph W 61%
2 PM 31° Rain 54% 10 mph W 56%
3 PM 31° Rain 54% 9 mph W 59%
4 PM 30° Rain 47% 8 mph W 61%
5 PM 29° Overcast 63% 6 mph W 64%
6 PM 31° Rain 64% 6 mph W 66%
7 PM 30° Rain 69% 6 mph W 69%
8 PM 29° Rain 70% 6 mph W 72%
9 PM 29° Mostly Cloudy 61% 6 mph W 75%
10 PM 27° Partly Cloudy 63% 5 mph WNW 78%
15-Day Forecast
Today
8/15
Mostly Cloudy
53%
21°
31°
Sun
8/16
Partly Cloudy
63%
22°
32°
Mon
8/17
Rain
64%
20°
30°
Tue
8/18
Clear
48%
18°
30°
Wed
8/19
Drizzle
69%
18°
32°
Thu
8/20
Rain
69%
17°
29°
Fri
8/21
Rain
42%
16°
29°
Sat
8/22
Rain
28%
18°
28°
Sun
8/23
Drizzle
43%
18°
30°
Mon
8/24
Clear
19%
18°
32°
Tue
8/25
Rain
60%
19°
33°
Wed
8/26
Drizzle
60%
19°
33°
Thu
8/27
Drizzle
60%
18°
32°
Fri
8/28
Drizzle
60%
17°
31°
Sat
8/29
Drizzle
60%
18°
31°
54
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
54 AQI 10.7 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 44 54
Mon 53 Moderate 44 53
Tue 44 Good 42 44
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 Sun Aug 16, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE922 J/kg
MLCAPE435 J/kg
MUCAPE922 J/kg
SBCIN-109 J/kg
MLCIN-90 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear26 kt
0–1 km Shear4 kt
Eff. Shear26 kt
0–1 km SRH29
0–3 km SRH71
Eff. SRH71
Storm Motion314° @ 20 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell0.9
K-Index32.1
Thermo & Levels
PWAT1.88 in
0–3 km LR5.2 °C/km
700–500 LR5.2 °C/km
Total Totals43.2
LCL964 hPa
LFC802 hPa
EL159 hPa
Freezing Lvl15,823 ft