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

Jefferson County, Pennsylvania, United States

Last updated: 1:51 AM CDT  ·  Refresh
7°C
Feels like 4°
Overcast
▲ 10°  /  ▼ 1°
Wind
10 mph NNW
Humidity
87%
Dew Point
5°
Pressure
28.42 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
96%
Sunrise
7:29 AM
Sunset
6:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently overcast at 7°C. Precipitation is likely — peak probability 52% around 2 AM. Sunrise: 7:29AM · Sunset: 6:32PM.

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
27 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
52%
3 AM
6°
10%
4 AM
6°
28%
5 AM
4°
22%
6 AM
4°
7%
7 AM
3°
18%
8 AM
3°
3%
9 AM
4°
3%
10 AM
5°
3%
11 AM
6°
3%
12 PM
7°
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
3°
3%
12 AM
3°
3%
1 AM
3°
3%
7-Day Forecast
Today
10° 1°
Partly Cloudy with a 52% 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 52% 10 mph NNW 87%
3 AM 6° Mostly Cloudy 10% 10 mph N 85%
4 AM 6° Overcast 28% 9 mph N 84%
5 AM 4° Overcast 22% 10 mph N 83%
6 AM 4° Overcast 7% 10 mph N 81%
7 AM 3° Overcast 18% 11 mph NNW 80%
8 AM 3° Overcast 3% 11 mph N 74%
9 AM 4° Mostly Cloudy 3% 10 mph N 68%
10 AM 5° Partly Cloudy 3% 10 mph N 63%
11 AM 6° Partly Cloudy 3% 10 mph N 58%
12 PM 7° Mostly Clear 3% 10 mph NNW 53%
1 PM 9° Clear 3% 9 mph NNW 49%
2 PM 9° Clear 3% 9 mph NNW 48%
3 PM 10° Clear 3% 8 mph NNW 48%
4 PM 10° Clear 3% 8 mph NNW 48%
5 PM 8° Clear 3% 6 mph NNW 52%
6 PM 7° Clear 3% 5 mph NNW 58%
7 PM 6° Clear 3% 4 mph NW 63%
8 PM 6° Clear 3% 4 mph NW 66%
9 PM 4° Clear 3% 4 mph NNW 68%
10 PM 4° Clear 3% 3 mph NNW 69%
11 PM 3° Clear 3% 3 mph NNW 70%
12 AM 3° Clear 3% 3 mph NNW 71%
1 AM 3° Clear 3% 3 mph NNW 72%
15-Day Forecast
Today
10/17
Partly Cloudy
52%
1°
10°
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°
19°
Sun
10/25
Clear
3%
4°
20°
Mon
10/26
Clear
12%
4°
19°
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°
16°
27
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
18 AQI 3.3 µg/m³
O3
Ground-level ozone
Dominant
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 27 Good 27 18
Sun 32 Good 32 2
Mon 29 Good 29 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 LCL0°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
SBCAPE0 J/kg
MLCAPE7 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN-0 J/kg
Lifted Index14.2
Kinematics
0–6 km Shear99 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH-155
0–3 km SRH-142
Eff. SRH—
Storm Motion268° @ 41 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index8.5
Thermo & Levels
PWAT0.68 in
0–3 km LR5.1 °C/km
700–500 LR4.2 °C/km
Total Totals31.4
LCL932 hPa
LFC—
EL—
Freezing Lvl3,307 ft