Areal Flood Watch 1:00 AM

Somerset County, Pennsylvania, United States

Last updated: 8:32 PM CDT  ·  Refresh
21°C
Feels like 23°
Overcast
▲ 23°  /  ▼ 17°
Wind
6 mph S
Humidity
97%
Dew Point
20°
Pressure
27.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
94%
Sunrise
6:15 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Somerset County is currently overcast at 21°C. Precipitation is likely — peak probability 81% around 9 PM. Atmospheric instability is elevated (CAPE up to 815 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 8:28PM.

Alerts

Areal Flood Watch
Expires 1:00 AM
32 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
80%
10 PM
21°
74%
11 PM
21°
62%
12 AM
20°
43%
1 AM
20°
38%
2 AM
20°
28%
3 AM
20°
44%
4 AM
20°
46%
5 AM
18°
40%
6 AM
18°
36%
7 AM
17°
38%
8 AM
17°
36%
9 AM
18°
31%
10 AM
18°
40%
11 AM
18°
28%
12 PM
19°
36%
1 PM
21°
35%
2 PM
21°
25%
3 PM
22°
25%
4 PM
23°
25%
5 PM
22°
12%
6 PM
22°
12%
7 PM
21°
12%
8 PM
20°
12%
7-Day Forecast
Tonight
23° 17°
Overcast with a 80% chance of rain.
Mon
23° 16°
Mostly Cloudy with a 44% chance of rain.
Tue
26° 13°
Mostly Cloudy.
Wed
27° 17°
Partly Cloudy with a 81% chance of rain.
Thu
28° 19°
Rain, 72% chance.
Fri
28° 19°
Rain, 82% chance.
Sat
28° 18°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Overcast 80% 6 mph S 97%
10 PM 21° Overcast 74% 5 mph SSW 97%
11 PM 21° Heavy Rain 62% 6 mph SSW 97%
12 AM 20° Overcast 43% 6 mph SSW 97%
1 AM 20° Mostly Cloudy 38% 6 mph SSW 97%
2 AM 20° Mostly Cloudy 28% 6 mph SW 97%
3 AM 20° Overcast 44% 6 mph WSW 98%
4 AM 20° Overcast 46% 7 mph W 98%
5 AM 18° Mostly Cloudy 40% 7 mph W 98%
6 AM 18° Overcast 36% 7 mph W 98%
7 AM 17° Overcast 38% 8 mph WNW 97%
8 AM 17° Fog 36% 8 mph WNW 97%
9 AM 18° Fog 31% 8 mph WNW 96%
10 AM 18° Fog 40% 9 mph NW 95%
11 AM 18° Overcast 28% 9 mph NW 91%
12 PM 19° Mostly Cloudy 36% 10 mph NW 85%
1 PM 21° Partly Cloudy 35% 10 mph NW 80%
2 PM 21° Partly Cloudy 25% 10 mph NW 74%
3 PM 22° Partly Cloudy 25% 10 mph NW 71%
4 PM 23° Partly Cloudy 25% 10 mph NW 69%
5 PM 22° Partly Cloudy 12% 9 mph NW 70%
6 PM 22° Partly Cloudy 12% 8 mph NW 74%
7 PM 21° Partly Cloudy 12% 7 mph NW 78%
8 PM 20° Partly Cloudy 12% 6 mph NW 81%
15-Day Forecast
Today
8/2
Overcast
80%
17°
23°
Mon
8/3
Mostly Cloudy
44%
16°
23°
Tue
8/4
Mostly Cloudy
12%
13°
26°
Wed
8/5
Partly Cloudy
81%
17°
27°
Thu
8/6
Rain
72%
19°
28°
Fri
8/7
Rain
82%
19°
28°
Sat
8/8
Rain
64%
18°
28°
Sun
8/9
Drizzle
53%
18°
29°
Mon
8/10
Drizzle
44%
19°
29°
Tue
8/11
Drizzle
68%
18°
28°
Wed
8/12
Rain
77%
13°
26°
Thu
8/13
Drizzle
60%
17°
28°
Fri
8/14
Drizzle
60%
17°
27°
Sat
8/15
Drizzle
60%
16°
26°
Sun
8/16
Drizzle
60%
15°
26°
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 5.7 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 31 32
Tue 41 Good 41 32
Wed 39 Good 39 27
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 2, 23:00'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
SBCAPE779 J/kg
MLCAPE853 J/kg
MUCAPE1008 J/kg
SBCIN-7 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear34 kt
0–1 km Shear15 kt
Eff. Shear34 kt
0–1 km SRH-23
0–3 km SRH-74
Eff. SRH-74
Storm Motion191° @ 30 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.3
Thermo & Levels
PWAT1.89 in
0–3 km LR5.4 °C/km
700–500 LR5.6 °C/km
Total Totals48.3
LCL922 hPa
LFC852 hPa
EL240 hPa
Freezing Lvl12,224 ft