Flash Flood Warning — Belmont County, OH, Harrison County, OH, Jefferson County, OH, Brooke County, WV, Marshall County, WV, Ohio County, WV 10:15 AM Flash Flood Warning — Greene County, PA, Washington County, PA, Brooke County, WV, Marshall County, WV, Ohio County, WV 11:45 AM Areal Flood Watch 1:00 PM

Marshall County, West Virginia, United States

Last updated: 9:39 AM CDT  ·  Refresh
21°C
Feels like 22°
Overcast
▲ 25°  /  ▼ 16°
Wind
5 mph NE
Humidity
92%
Dew Point
19°
Pressure
28.77 inHg
Visibility
5 mi
UV Index
3.6
Cloud Cover
90%
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 overcast at 21°C. Precipitation is likely — peak probability 88% around 10 AM. Sunrise: 6:39AM · Sunset: 8:11PM.

Alerts

Flash Flood Warning
Belmont County, OH, Harrison County, OH, Jefferson County, OH, Brooke County, WV, Marshall County, WV, Ohio County, WV
Expires 10:15 AM
Flash Flood Warning
Greene County, PA, Washington County, PA, Brooke County, WV, Marshall County, WV, Ohio County, WV
Expires 11:45 AM
Areal Flood Watch
Expires 1:00 PM
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
87%
11 AM
21°
86%
12 PM
22°
84%
1 PM
23°
75%
2 PM
23°
65%
3 PM
22°
64%
4 PM
22°
57%
5 PM
22°
35%
6 PM
22°
36%
7 PM
22°
26%
8 PM
21°
17%
9 PM
19°
7%
10 PM
19°
7%
11 PM
18°
7%
12 AM
18°
7%
1 AM
18°
4%
2 AM
18°
3%
3 AM
17°
5%
4 AM
17°
5%
5 AM
17°
8%
6 AM
17°
8%
7 AM
17°
9%
8 AM
17°
9%
9 AM
19°
11%
7-Day Forecast
Today
25° 16°
Rain, 87% chance.
Fri
26° 16°
Partly Cloudy with a 29% chance of rain.
Sat
29° 17°
Partly Cloudy with a 63% chance of rain.
Sun
24° 12°
Mostly Cloudy with a 60% chance of rain.
Mon
25° 12°
Partly Cloudy.
Tue
28° 12°
Partly Cloudy.
Wed
26° 16°
Mostly Cloudy with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 21° Rain 87% 4 mph NE 93%
11 AM 21° Overcast 86% 3 mph ESE 93%
12 PM 22° Overcast 84% 4 mph SW 89%
1 PM 23° Overcast 75% 5 mph SW 85%
2 PM 23° Rain 65% 4 mph W 84%
3 PM 22° Mostly Cloudy 64% 5 mph NW 86%
4 PM 22° Mostly Cloudy 57% 4 mph NNW 90%
5 PM 22° Mostly Cloudy 35% 5 mph N 92%
6 PM 22° Partly Cloudy 36% 5 mph NNE 93%
7 PM 22° Mostly Clear 26% 4 mph NNE 94%
8 PM 21° Mostly Clear 17% 4 mph NNE 95%
9 PM 19° Mostly Clear 7% 4 mph NE 96%
10 PM 19° Mostly Clear 7% 4 mph NE 96%
11 PM 18° Mostly Clear 7% 4 mph NE 97%
12 AM 18° Mostly Clear 7% 4 mph NE 97%
1 AM 18° Mostly Clear 4% 4 mph NE 97%
2 AM 18° Mostly Clear 3% 4 mph NE 94%
3 AM 17° Mostly Clear 5% 5 mph ENE 94%
4 AM 17° Mostly Clear 5% 5 mph ENE 95%
5 AM 17° Mostly Clear 8% 5 mph ENE 95%
6 AM 17° Partly Cloudy 8% 5 mph ENE 95%
7 AM 17° Partly Cloudy 9% 5 mph ENE 94%
8 AM 17° Haze 9% 5 mph ENE 93%
9 AM 19° Partly Cloudy 11% 4 mph ENE 89%
15-Day Forecast
Today
8/20
Rain
87%
16°
25°
Fri
8/21
Partly Cloudy
29%
16°
26°
Sat
8/22
Partly Cloudy
63%
17°
29°
Sun
8/23
Mostly Cloudy
60%
12°
24°
Mon
8/24
Partly Cloudy
10%
12°
25°
Tue
8/25
Partly Cloudy
15%
12°
28°
Wed
8/26
Mostly Cloudy
28%
16°
26°
Thu
8/27
Rain
66%
16°
27°
Fri
8/28
Rain
54%
16°
28°
Sat
8/29
Drizzle
45%
17°
29°
Sun
8/30
Drizzle
60%
17°
28°
Mon
8/31
Drizzle
60%
17°
28°
Tue
9/1
Drizzle
60%
16°
27°
Wed
9/2
Drizzle
60%
16°
28°
Thu
9/3
Drizzle
60%
16°
28°
43
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
43 AQI 7.9 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 43 Good 33 43
Sat 41 Good 37 41
Sun 37 Good 37 33
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, 13:00'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
SBCAPE240 J/kg
MLCAPE66 J/kg
MUCAPE240 J/kg
SBCIN-4 J/kg
MLCIN-19 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear40 kt
0–1 km Shear11 kt
Eff. Shear26 kt
0–1 km SRH96
0–3 km SRH186
Eff. SRH186
Storm Motion270° @ 26 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.6
K-Index33.1
Thermo & Levels
PWAT1.71 in
0–3 km LR5.1 °C/km
700–500 LR5.7 °C/km
Total Totals44.2
LCL957 hPa
LFC865 hPa
EL420 hPa
Freezing Lvl12,635 ft