Freeze Watch 8:00 AM

Clarion County, Pennsylvania, United States

Last updated: 11:20 PM CDT  ·  Refresh
8°C
Feels like 6°
Overcast
▲ 11°  /  ▼ 1°
Wind
9 mph NNW
Humidity
88%
Dew Point
6°
Pressure
28.53 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
95%
Sunrise
7:31 AM
Sunset
6:33 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Clarion County is currently overcast at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:31AM · Sunset: 6:33PM.

28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
22%
1 AM
7°
8%
2 AM
7°
6%
3 AM
6°
6%
4 AM
6°
7%
5 AM
5°
8%
6 AM
4°
8%
7 AM
3°
3%
8 AM
3°
3%
9 AM
4°
3%
10 AM
6°
3%
11 AM
6°
3%
12 PM
7°
3%
1 PM
9°
3%
2 PM
10°
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
5°
3%
10 PM
4°
3%
11 PM
4°
3%
7-Day Forecast
Today
11° 1°
Mostly Clear with a 22% chance of rain.
Sun
17° 1°
Clear.
Mon
21° 3°
Clear.
Tue
21° 4°
Clear.
Wed
21° 3°
Clear.
Thu
21° 3°
Clear.
Fri
21° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Overcast 22% 9 mph NNW 88%
1 AM 7° Overcast 8% 10 mph NNW 88%
2 AM 7° Overcast 6% 10 mph NNW 87%
3 AM 6° Overcast 6% 10 mph N 85%
4 AM 6° Overcast 7% 9 mph N 85%
5 AM 5° Overcast 8% 10 mph N 83%
6 AM 4° Mostly Cloudy 8% 11 mph N 81%
7 AM 3° Mostly Cloudy 3% 11 mph N 79%
8 AM 3° Mostly Cloudy 3% 11 mph N 76%
9 AM 4° Mostly Cloudy 3% 11 mph N 70%
10 AM 6° Mostly Cloudy 3% 11 mph N 66%
11 AM 6° Partly Cloudy 3% 11 mph N 61%
12 PM 7° Mostly Clear 3% 10 mph N 56%
1 PM 9° Mostly Clear 3% 9 mph N 50%
2 PM 10° Clear 3% 9 mph NNW 46%
3 PM 10° Clear 3% 8 mph NNW 46%
4 PM 10° Clear 3% 8 mph NNW 47%
5 PM 9° Clear 3% 7 mph NNW 49%
6 PM 8° Clear 3% 6 mph NNW 54%
7 PM 7° Clear 3% 5 mph NNW 60%
8 PM 6° Clear 3% 5 mph NNW 64%
9 PM 5° Clear 3% 4 mph NNW 65%
10 PM 4° Clear 3% 4 mph NNW 67%
11 PM 4° Clear 3% 4 mph NNW 68%
15-Day Forecast
Today
10/17
Mostly Clear
22%
1°
11°
Sun
10/18
Clear
3%
1°
17°
Mon
10/19
Clear
3%
3°
21°
Tue
10/20
Clear
3%
4°
21°
Wed
10/21
Clear
3%
3°
21°
Thu
10/22
Clear
3%
3°
21°
Fri
10/23
Clear
3%
4°
21°
Sat
10/24
Clear
3%
3°
19°
Sun
10/25
Clear
3%
4°
20°
Mon
10/26
Clear
19%
1°
19°
Tue
10/27
Clear
25%
5°
18°
Wed
10/28
Drizzle
60%
4°
17°
Thu
10/29
Clear
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, 03:00'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
SBCAPE16 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN-15 J/kg
MLCIN-4 J/kg
Lifted Index12.8
Kinematics
0–6 km Shear90 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH-182
0–3 km SRH-113
Eff. SRH—
Storm Motion268° @ 42 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.3
Thermo & Levels
PWAT0.73 in
0–3 km LR5.6 °C/km
700–500 LR3.7 °C/km
Total Totals30.5
LCL938 hPa
LFC897 hPa
EL810 hPa
Freezing Lvl3,494 ft