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

Clarion County, Pennsylvania, United States

Last updated: 1:50 AM CDT  ·  Refresh
7°C
Feels like 4°
Overcast
▲ 11°  /  ▼ 1°
Wind
9 mph NNW
Humidity
87%
Dew Point
5°
Pressure
28.58 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
98%
Sunrise
7:31 AM
Sunset
6:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clarion County is currently overcast at 7°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:31AM · Sunset: 6:33PM.

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
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
18%
3 AM
6°
47%
4 AM
6°
28%
5 AM
4°
20%
6 AM
4°
19%
7 AM
3°
3%
8 AM
3°
3%
9 AM
5°
3%
10 AM
6°
3%
11 AM
6°
3%
12 PM
8°
3%
1 PM
10°
3%
2 PM
10°
3%
3 PM
11°
3%
4 PM
10°
3%
5 PM
9°
3%
6 PM
8°
3%
7 PM
7°
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
11° 1°
Mostly Clear with a 20% chance of rain.
Sun
17° 1°
Clear.
Mon
21° 3°
Clear.
Tue
19° 3°
Clear.
Wed
21° 2°
Clear.
Thu
21° 3°
Clear.
Fri
21° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 7° Overcast 18% 9 mph NNW 87%
3 AM 6° Overcast 47% 9 mph N 86%
4 AM 6° Mostly Cloudy 28% 10 mph N 85%
5 AM 4° Mostly Cloudy 20% 10 mph N 82%
6 AM 4° Mostly Cloudy 19% 11 mph N 80%
7 AM 3° Overcast 3% 10 mph N 78%
8 AM 3° Mostly Cloudy 3% 11 mph N 74%
9 AM 5° Mostly Cloudy 3% 11 mph N 69%
10 AM 6° Mostly Cloudy 3% 11 mph N 64%
11 AM 6° Partly Cloudy 3% 10 mph N 58%
12 PM 8° Mostly Clear 3% 10 mph N 53%
1 PM 10° Clear 3% 9 mph NNW 48%
2 PM 10° Clear 3% 9 mph NNW 47%
3 PM 11° Clear 3% 8 mph NNW 47%
4 PM 10° Clear 3% 8 mph NNW 48%
5 PM 9° Clear 3% 6 mph NNW 52%
6 PM 8° Clear 3% 5 mph NNW 59%
7 PM 7° Clear 3% 5 mph NNW 65%
8 PM 6° Clear 3% 4 mph NNW 68%
9 PM 4° Clear 3% 4 mph NNW 70%
10 PM 4° Clear 3% 3 mph NNW 72%
11 PM 4° Clear 3% 3 mph NNW 72%
12 AM 4° Clear 3% 3 mph NNW 73%
1 AM 3° Clear 3% 3 mph NNW 74%
15-Day Forecast
Today
10/17
Mostly Clear
20%
1°
11°
Sun
10/18
Clear
3%
1°
17°
Mon
10/19
Clear
3%
3°
21°
Tue
10/20
Clear
3%
3°
19°
Wed
10/21
Clear
3%
2°
21°
Thu
10/22
Clear
3%
3°
21°
Fri
10/23
Clear
3%
4°
21°
Sat
10/24
Clear
3%
3°
20°
Sun
10/25
Clear
3%
4°
20°
Mon
10/26
Clear
12%
4°
20°
Tue
10/27
Clear
25%
5°
18°
Wed
10/28
Drizzle
60%
4°
17°
Thu
10/29
Drizzle
60%
4°
17°
Fri
10/30
Drizzle
60%
4°
17°
Sat
10/31
Drizzle
60%
6°
17°
28
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
17 AQI 3.0 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 17
Sun 32 Good 32 2
Mon 29 Good 29 7
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 90 100 110 120 130 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN-20 J/kg
MLCIN-2 J/kg
Lifted Index13.6
Kinematics
0–6 km Shear93 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH-151
0–3 km SRH-160
Eff. SRH—
Storm Motion274° @ 38 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index6.9
Thermo & Levels
PWAT0.60 in
0–3 km LR5.0 °C/km
700–500 LR4.6 °C/km
Total Totals32.3
LCL934 hPa
LFC868 hPa
EL798 hPa
Freezing Lvl3,222 ft