Flood Warning — Greene County, PA, Washington County, PA, Brooke County, WV, Marshall County, WV, Ohio County, WV 2:45 PM Areal Flood Warning — Belmont County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Brooke County, WV, Marshall County, WV, Ohio County, WV 4:00 PM

Marshall County, West Virginia, United States

Last updated: 2:04 PM CDT  ·  Refresh
21°C
Feels like 23°
Rain
▲ 23°  /  ▼ 16°
Wind
4 mph NNW
Humidity
90%
Dew Point
20°
Pressure
28.79 inHg
Visibility
8 mi
UV Index
4.8
Cloud Cover
84%
Sunrise
6:39 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently rain at 21°C. Precipitation is likely — peak probability 73% around 3 PM. Atmospheric instability is elevated (CAPE up to 564 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 8:11PM.

Alerts

Flood Warning
Greene County, PA, Washington County, PA, Brooke County, WV, Marshall County, WV, Ohio County, WV
Expires 2:45 PM
Areal Flood Warning
Belmont County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Brooke County, WV, Marshall County, WV, Ohio County, WV
Expires 4:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
73%
4 PM
22°
36%
5 PM
23°
18%
6 PM
23°
23%
7 PM
22°
20%
8 PM
22°
15%
9 PM
21°
15%
10 PM
19°
3%
11 PM
19°
3%
12 AM
18°
3%
1 AM
18°
3%
2 AM
17°
3%
3 AM
17°
5%
4 AM
17°
9%
5 AM
16°
12%
6 AM
16°
12%
7 AM
16°
11%
8 AM
16°
12%
9 AM
17°
12%
10 AM
18°
9%
11 AM
19°
19%
12 PM
21°
19%
1 PM
22°
23%
2 PM
25°
26%
7-Day Forecast
Today
23° 16°
Rain, 73% chance.
Fri
27° 16°
Partly Cloudy with a 26% chance of rain.
Sat
28° 16°
Mostly Clear with a 64% chance of rain.
Sun
23° 14°
Overcast with a 60% chance of rain.
Mon
24° 12°
Clear.
Tue
27° 12°
Drizzle, 70% chance.
Wed
25° 16°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Rain 73% 4 mph NNW 90%
4 PM 22° Partly Cloudy 36% 4 mph NNW 88%
5 PM 23° Partly Cloudy 18% 4 mph NNW 89%
6 PM 23° Partly Cloudy 23% 5 mph N 90%
7 PM 22° Mostly Clear 20% 5 mph NNE 92%
8 PM 22° Mostly Clear 15% 4 mph NE 93%
9 PM 21° Mostly Clear 15% 4 mph NE 93%
10 PM 19° Mostly Clear 3% 4 mph ENE 94%
11 PM 19° Mostly Clear 3% 5 mph ENE 95%
12 AM 18° Mostly Clear 3% 4 mph ENE 96%
1 AM 18° Mostly Clear 3% 4 mph ENE 96%
2 AM 17° Mostly Clear 3% 4 mph ENE 97%
3 AM 17° Mostly Clear 5% 4 mph ENE 97%
4 AM 17° Mostly Clear 9% 4 mph ENE 97%
5 AM 16° Fog 12% 4 mph ENE 97%
6 AM 16° Fog 12% 4 mph ENE 96%
7 AM 16° Fog 11% 4 mph ENE 95%
8 AM 16° Fog 12% 5 mph ENE 94%
9 AM 17° Fog 12% 5 mph ENE 90%
10 AM 18° Fog 9% 5 mph ENE 85%
11 AM 19° Fog 19% 5 mph ENE 82%
12 PM 21° Partly Cloudy 19% 5 mph ENE 76%
1 PM 22° Partly Cloudy 23% 5 mph ENE 70%
2 PM 25° Partly Cloudy 26% 6 mph ENE 65%
15-Day Forecast
Today
8/20
Rain
73%
16°
23°
Fri
8/21
Partly Cloudy
26%
16°
27°
Sat
8/22
Mostly Clear
64%
16°
28°
Sun
8/23
Overcast
60%
14°
23°
Mon
8/24
Clear
14%
12°
24°
Tue
8/25
Drizzle
70%
12°
27°
Wed
8/26
Rain
71%
16°
25°
Thu
8/27
Rain
69%
16°
27°
Fri
8/28
Rain
68%
16°
28°
Sat
8/29
Drizzle
51%
17°
30°
Sun
8/30
Drizzle
60%
17°
28°
Mon
8/31
Drizzle
60%
17°
27°
Tue
9/1
Drizzle
60%
16°
27°
Wed
9/2
Drizzle
60%
16°
27°
Thu
9/3
Drizzle
60%
16°
27°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 41 Good 34 41
Sat 38 Good 38 32
Sun 38 Good 38 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 Thu Aug 20, 17:00'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
SBCAPE443 J/kg
MLCAPE178 J/kg
MUCAPE443 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear35 kt
0–1 km Shear5 kt
Eff. Shear25 kt
0–1 km SRH-5
0–3 km SRH68
Eff. SRH68
Storm Motion292° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.4
K-Index35.3
Thermo & Levels
PWAT1.79 in
0–3 km LR5.7 °C/km
700–500 LR5.2 °C/km
Total Totals44.9
LCL956 hPa
LFC975 hPa
EL362 hPa
Freezing Lvl12,572 ft