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: 1:53 AM CDT  ·  Refresh
8°C
Feels like 6°
Overcast
▲ 10°  /  ▼ 1°
Wind
10 mph NNW
Humidity
89%
Dew Point
7°
Pressure
28.74 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
97%
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 8°C. Dry conditions are expected through the next 24 hours. 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
8°
27%
3 AM
8°
18%
4 AM
8°
18%
5 AM
6°
25%
6 AM
6°
39%
7 AM
6°
9%
8 AM
6°
24%
9 AM
7°
9%
10 AM
7°
9%
11 AM
7°
7%
12 PM
8°
3%
1 PM
9°
3%
2 PM
9°
3%
3 PM
10°
3%
4 PM
10°
3%
5 PM
8°
3%
6 PM
7°
3%
7 PM
6°
3%
8 PM
6°
3%
9 PM
4°
3%
10 PM
4°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
3°
3%
7-Day Forecast
Today
10° 1°
Mostly Clear with a 27% chance of rain.
Sun
17° 1°
Clear.
Mon
19° 2°
Clear.
Tue
18° 3°
Mostly Clear.
Wed
21° 3°
Clear.
Thu
20° 2°
Clear.
Fri
20° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Overcast 27% 10 mph NNW 89%
3 AM 8° Overcast 18% 11 mph NNW 87%
4 AM 8° Overcast 18% 11 mph N 87%
5 AM 6° Mostly Cloudy 25% 10 mph N 87%
6 AM 6° Mostly Cloudy 39% 10 mph N 86%
7 AM 6° Mostly Cloudy 9% 10 mph N 85%
8 AM 6° Partly Cloudy 24% 11 mph N 79%
9 AM 7° Mostly Cloudy 9% 12 mph N 73%
10 AM 7° Mostly Cloudy 9% 12 mph N 67%
11 AM 7° Partly Cloudy 7% 12 mph N 62%
12 PM 8° Partly Cloudy 3% 11 mph N 57%
1 PM 9° Clear 3% 10 mph NNW 52%
2 PM 9° Clear 3% 9 mph NNW 52%
3 PM 10° Clear 3% 8 mph NNW 53%
4 PM 10° Clear 3% 8 mph NNW 53%
5 PM 8° Clear 3% 6 mph NNW 57%
6 PM 7° Clear 3% 5 mph NW 62%
7 PM 6° Clear 3% 4 mph NW 66%
8 PM 6° Clear 3% 4 mph NW 69%
9 PM 4° Clear 3% 4 mph NNW 72%
10 PM 4° Clear 3% 4 mph NNW 74%
11 PM 4° Clear 3% 4 mph NNW 75%
12 AM 4° Clear 3% 3 mph N 76%
1 AM 3° Clear 3% 3 mph N 77%
15-Day Forecast
Today
10/17
Mostly Clear
27%
1°
10°
Sun
10/18
Clear
3%
1°
17°
Mon
10/19
Clear
3%
2°
19°
Tue
10/20
Mostly Clear
3%
3°
18°
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%
5°
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, 05:00'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
SBCAPE3 J/kg
MLCAPE7 J/kg
MUCAPE0 J/kg
SBCIN-14 J/kg
MLCIN-0 J/kg
Lifted Index14.0
Kinematics
0–6 km Shear91 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH-148
0–3 km SRH-63
Eff. SRH—
Storm Motion262° @ 39 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index15.0
Thermo & Levels
PWAT0.81 in
0–3 km LR5.3 °C/km
700–500 LR3.3 °C/km
Total Totals29.9
LCL947 hPa
LFC893 hPa
EL827 hPa
Freezing Lvl4,144 ft