Freeze Warning — Tuscarawas, OH, Carroll, OH, Columbiana, OH, Coshocton, OH, Harrison, OH, Jefferson, OH, Muskingum, OH, Guernsey, OH, Belmont, OH, Noble, OH, Monroe, OH, Mercer, PA, Venango, PA, Forest, PA, Lawrence, PA, Butler, PA, Clarion, PA, Jefferson, PA, Beaver, PA, Allegheny, PA, Armstrong, PA, Washington, PA, Greene, PA, Westmoreland, PA, Westmoreland Ridges, PA, Fayette, PA, Fayette Ridges, PA, Indiana, PA, Higher Elevations of Indiana, PA, Hancock, WV, Brooke, WV, Ohio, WV, Marshall, WV, Wetzel, WV, Marion, WV, Monongalia, WV, Ridges of Eastern Monongalia and Northwestern Preston, WV, Preston, WV, Eastern Preston, WV, Western Tucker, WV, Eastern Tucker, WV 8:00 AM

Westmoreland County, Pennsylvania, United States

Last updated: 12:16 AM CDT  ·  Refresh
9°C
Feels like 6°
Overcast
▲ 11°  /  ▼ 1°
Wind
11 mph NNW
Humidity
90%
Dew Point
7°
Pressure
28.71 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
93%
Sunrise
7:30 AM
Sunset
6:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Westmoreland County is currently overcast at 9°C. Precipitation is likely — peak probability 73% around 1 AM. Sunrise: 7:30AM · Sunset: 6:34PM.

Alerts

Freeze Warning
Tuscarawas, OH, Carroll, OH, Columbiana, OH, Coshocton, OH, Harrison, OH, Jefferson, OH, Muskingum, OH, Guernsey, OH, Belmont, OH, Noble, OH, Monroe, OH, Mercer, PA, Venango, PA, Forest, PA, Lawrence, PA, Butler, PA, Clarion, PA, Jefferson, PA, Beaver, PA, Allegheny, PA, Armstrong, PA, Washington, PA, Greene, PA, Westmoreland, PA, Westmoreland Ridges, PA, Fayette, PA, Fayette Ridges, PA, Indiana, PA, Higher Elevations of Indiana, PA, Hancock, WV, Brooke, WV, Ohio, WV, Marshall, WV, Wetzel, WV, Marion, WV, Monongalia, WV, Ridges of Eastern Monongalia and Northwestern Preston, WV, Preston, WV, Eastern Preston, WV, Western Tucker, WV, Eastern Tucker, WV
Expires 8:00 AM
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
73%
2 AM
9°
53%
3 AM
8°
54%
4 AM
8°
19%
5 AM
8°
12%
6 AM
6°
12%
7 AM
6°
19%
8 AM
6°
19%
9 AM
6°
4%
10 AM
7°
5%
11 AM
7°
3%
12 PM
8°
3%
1 PM
8°
3%
2 PM
9°
3%
3 PM
10°
3%
4 PM
10°
3%
5 PM
9°
3%
6 PM
8°
3%
7 PM
7°
3%
8 PM
6°
3%
9 PM
6°
3%
10 PM
5°
3%
11 PM
4°
3%
12 AM
4°
3%
7-Day Forecast
Today
11° 1°
Mostly Clear with a 73% chance of rain.
Sun
17° 1°
Clear.
Mon
20° 2°
Clear.
Tue
20° 3°
Mostly Clear.
Wed
21° 3°
Clear.
Thu
20° 2°
Clear.
Fri
20° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Overcast 73% 11 mph NNW 90%
2 AM 9° Rain 53% 10 mph NNW 88%
3 AM 8° Overcast 54% 10 mph NNW 88%
4 AM 8° Overcast 19% 10 mph NNW 88%
5 AM 8° Overcast 12% 10 mph N 86%
6 AM 6° Overcast 12% 10 mph N 86%
7 AM 6° Mostly Cloudy 19% 10 mph N 86%
8 AM 6° Partly Cloudy 19% 11 mph N 83%
9 AM 6° Partly Cloudy 4% 12 mph N 76%
10 AM 7° Mostly Cloudy 5% 12 mph N 70%
11 AM 7° Mostly Cloudy 3% 12 mph N 64%
12 PM 8° Partly Cloudy 3% 11 mph N 60%
1 PM 8° Mostly Clear 3% 11 mph N 55%
2 PM 9° Clear 3% 10 mph NNW 52%
3 PM 10° Clear 3% 9 mph NNW 52%
4 PM 10° Clear 3% 8 mph NNW 53%
5 PM 9° Clear 3% 7 mph NNW 54%
6 PM 8° Clear 3% 6 mph NNW 58%
7 PM 7° Clear 3% 5 mph NW 63%
8 PM 6° Clear 3% 4 mph NW 66%
9 PM 6° Clear 3% 4 mph NNW 68%
10 PM 5° Clear 3% 4 mph NNW 71%
11 PM 4° Clear 3% 4 mph NNW 73%
12 AM 4° Clear 3% 4 mph N 74%
15-Day Forecast
Today
10/17
Mostly Clear
73%
1°
11°
Sun
10/18
Clear
3%
1°
17°
Mon
10/19
Clear
3%
2°
20°
Tue
10/20
Mostly Clear
3%
3°
20°
Wed
10/21
Clear
3%
3°
21°
Thu
10/22
Clear
3%
2°
20°
Fri
10/23
Clear
3%
4°
20°
Sat
10/24
Clear
3%
3°
20°
Sun
10/25
Clear
3%
4°
20°
Mon
10/26
Clear
3%
6°
20°
Tue
10/27
Clear
25%
6°
18°
Wed
10/28
Drizzle
60%
5°
18°
Thu
10/29
Drizzle
60%
4°
17°
Fri
10/30
Drizzle
60%
6°
18°
Sat
10/31
Drizzle
60%
7°
17°
35
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
20 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 20
Sun 31 Good 31 2
Mon 25 Good 25 4
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 Sat Oct 17, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 120 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE12 J/kg
MLCAPE15 J/kg
MUCAPE0 J/kg
SBCIN-6 J/kg
MLCIN0 J/kg
Lifted Index13.1
Kinematics
0–6 km Shear94 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH-175
0–3 km SRH-15
Eff. SRH—
Storm Motion259° @ 43 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index16.2
Thermo & Levels
PWAT0.87 in
0–3 km LR5.0 °C/km
700–500 LR3.3 °C/km
Total Totals30.2
LCL949 hPa
LFC918 hPa
EL818 hPa
Freezing Lvl4,731 ft