Areal Flood Warning — Armstrong County, PA, Indiana County, PA, Jefferson County, PA, Westmoreland County, PA 4:15 PM

Armstrong County, Pennsylvania, United States

Last updated: 4:08 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 22°  /  ▼ 13°
Wind
6 mph NE
Humidity
86%
Dew Point
18°
Pressure
28.74 inHg
Visibility
9 mi
UV Index
5.3
Cloud Cover
62%
Sunrise
6:33 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Armstrong County is currently mostly cloudy at 21°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:33AM · Sunset: 8:08PM.

Alerts

Areal Flood Warning
Armstrong County, PA, Indiana County, PA, Jefferson County, PA, Westmoreland County, PA
Expires 4:15 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
27%
6 PM
22°
23%
7 PM
22°
19%
8 PM
20°
3%
9 PM
19°
3%
10 PM
17°
6%
11 PM
16°
6%
12 AM
16°
6%
1 AM
15°
15%
2 AM
15°
15%
3 AM
14°
15%
4 AM
14°
15%
5 AM
13°
15%
6 AM
13°
15%
7 AM
13°
16%
8 AM
13°
16%
9 AM
14°
18%
10 AM
16°
9%
11 AM
17°
9%
12 PM
18°
9%
1 PM
20°
13%
2 PM
22°
13%
3 PM
23°
15%
4 PM
23°
15%
7-Day Forecast
Today
22° 13°
Partly Cloudy with a 27% chance of rain.
Fri
25° 13°
Fog with a 25% chance of rain.
Sat
27° 16°
Partly Cloudy with a 59% chance of rain.
Sun
23° 13°
Drizzle, 64% chance.
Mon
23° 11°
Clear with a 21% chance of rain.
Tue
26° 11°
Drizzle, 52% chance.
Wed
26° 13°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 27% 6 mph NE 86%
6 PM 22° Partly Cloudy 23% 6 mph NE 86%
7 PM 22° Mostly Clear 19% 5 mph NE 88%
8 PM 20° Mostly Clear 3% 4 mph ENE 90%
9 PM 19° Mostly Clear 3% 4 mph ENE 92%
10 PM 17° Clear 6% 4 mph ENE 94%
11 PM 16° Clear 6% 4 mph ENE 97%
12 AM 16° Mostly Clear 6% 4 mph ENE 97%
1 AM 15° Mostly Clear 15% 4 mph ENE 97%
2 AM 15° Partly Cloudy 15% 4 mph NE 97%
3 AM 14° Partly Cloudy 15% 4 mph NE 97%
4 AM 14° Partly Cloudy 15% 4 mph ENE 97%
5 AM 13° Fog 15% 4 mph ENE 98%
6 AM 13° Fog 15% 4 mph ENE 96%
7 AM 13° Fog 16% 4 mph ENE 95%
8 AM 13° Fog 16% 4 mph ENE 93%
9 AM 14° Fog 18% 5 mph ENE 87%
10 AM 16° Fog 9% 5 mph ENE 82%
11 AM 17° Haze 9% 5 mph ENE 78%
12 PM 18° Mostly Clear 9% 5 mph ENE 74%
1 PM 20° Mostly Clear 13% 5 mph E 69%
2 PM 22° Clear 13% 6 mph E 66%
3 PM 23° Clear 15% 6 mph E 65%
4 PM 23° Clear 15% 6 mph E 65%
15-Day Forecast
Today
8/20
Partly Cloudy
27%
13°
22°
Fri
8/21
Fog
25%
13°
25°
Sat
8/22
Partly Cloudy
59%
16°
27°
Sun
8/23
Drizzle
64%
13°
23°
Mon
8/24
Clear
21%
11°
23°
Tue
8/25
Drizzle
52%
11°
26°
Wed
8/26
Drizzle
63%
13°
26°
Thu
8/27
Rain
63%
15°
27°
Fri
8/28
Drizzle
44%
15°
28°
Sat
8/29
Drizzle
51%
16°
29°
Sun
8/30
Drizzle
60%
16°
27°
Mon
8/31
Drizzle
60%
16°
27°
Tue
9/1
Drizzle
60%
16°
27°
Wed
9/2
Drizzle
60%
14°
27°
Thu
9/3
Drizzle
60%
14°
26°
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 7.3 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 41 Good 27 41
Sat 37 Good 37 33
Sun 52 Moderate 42 52
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, 19:00'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
SBCAPE322 J/kg
MLCAPE102 J/kg
MUCAPE322 J/kg
SBCIN-0 J/kg
MLCIN-0 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear39 kt
0–1 km Shear6 kt
Eff. Shear20 kt
0–1 km SRH-19
0–3 km SRH12
Eff. SRH12
Storm Motion316° @ 24 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.56 in
0–3 km LR5.8 °C/km
700–500 LR5.2 °C/km
Total Totals44.4
LCL940 hPa
LFC973 hPa
EL350 hPa
Freezing Lvl12,300 ft