Freeze Watch 8:00 AM

Butler, Pennsylvania

Last updated: 11:18 PM CDT  ·  Refresh
8°C
Feels like 6°
Overcast
▲ 11°  /  ▼ 1°
Wind
10 mph NNW
Humidity
87%
Dew Point
7°
Pressure
28.75 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
96%
Sunrise
7:33 AM
Sunset
6:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Butler is currently overcast at 9°C. Precipitation is likely — peak probability 52% around 12 AM. Sunrise: 7:33AM · Sunset: 6:36PM.

Alerts

Freeze Watch
Expires 8:00 AM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
52%
1 AM
8°
21%
2 AM
7°
14%
3 AM
7°
19%
4 AM
7°
30%
5 AM
7°
21%
6 AM
5°
35%
7 AM
4°
6%
8 AM
4°
3%
9 AM
4°
3%
10 AM
7°
3%
11 AM
7°
3%
12 PM
8°
3%
1 PM
9°
3%
2 PM
11°
3%
3 PM
11°
3%
4 PM
11°
3%
5 PM
11°
3%
6 PM
9°
3%
7 PM
7°
3%
8 PM
7°
3%
9 PM
6°
3%
10 PM
6°
3%
11 PM
5°
3%
7-Day Forecast
Today
11° 1°
Mostly Clear with a 52% chance of rain.
Sun
18° 1°
Clear.
Mon
21° 2°
Clear.
Tue
22° 4°
Clear.
Wed
21° 3°
Clear.
Thu
22° 3°
Clear.
Fri
22° 5°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Overcast 52% 10 mph NNW 87%
1 AM 8° Overcast 21% 10 mph NNW 86%
2 AM 7° Overcast 14% 10 mph NNW 85%
3 AM 7° Overcast 19% 10 mph NNW 85%
4 AM 7° Overcast 30% 10 mph N 85%
5 AM 7° Overcast 21% 10 mph N 84%
6 AM 5° Mostly Cloudy 35% 11 mph N 83%
7 AM 4° Partly Cloudy 6% 10 mph N 82%
8 AM 4° Partly Cloudy 3% 10 mph N 80%
9 AM 4° Partly Cloudy 3% 11 mph N 74%
10 AM 7° Partly Cloudy 3% 12 mph N 67%
11 AM 7° Partly Cloudy 3% 12 mph N 61%
12 PM 8° Partly Cloudy 3% 11 mph N 56%
1 PM 9° Mostly Clear 3% 10 mph N 51%
2 PM 11° Mostly Clear 3% 9 mph NNW 48%
3 PM 11° Clear 3% 8 mph NNW 48%
4 PM 11° Clear 3% 8 mph NNW 48%
5 PM 11° Clear 3% 8 mph NNW 50%
6 PM 9° Clear 3% 6 mph NNW 56%
7 PM 7° Clear 3% 6 mph NNW 62%
8 PM 7° Clear 3% 5 mph NNW 66%
9 PM 6° Clear 3% 5 mph NNW 67%
10 PM 6° Clear 3% 5 mph NNW 69%
11 PM 5° Clear 3% 4 mph NNW 70%
15-Day Forecast
Today
10/17
Mostly Clear
52%
1°
11°
Sun
10/18
Clear
3%
1°
18°
Mon
10/19
Clear
3%
2°
21°
Tue
10/20
Clear
3%
4°
22°
Wed
10/21
Clear
3%
3°
21°
Thu
10/22
Clear
3%
3°
22°
Fri
10/23
Clear
3%
5°
22°
Sat
10/24
Clear
3%
3°
21°
Sun
10/25
Clear
3%
5°
22°
Mon
10/26
Clear
19%
2°
19°
Tue
10/27
Clear
25%
6°
19°
Wed
10/28
Drizzle
60%
5°
18°
Thu
10/29
Drizzle
60%
4°
18°
Fri
10/30
Drizzle
60%
6°
18°
Sat
10/31
Drizzle
60%
6°
17°
31
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
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 21
Sun 32 Good 32 2
Mon 27 Good 27 10
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-12 J/kg
MLCIN0 J/kg
Lifted Index12.6
Kinematics
0–6 km Shear90 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH-194
0–3 km SRH-89
Eff. SRH—
Storm Motion269° @ 39 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index12.6
Thermo & Levels
PWAT0.76 in
0–3 km LR5.7 °C/km
700–500 LR3.6 °C/km
Total Totals29.9
LCL944 hPa
LFC906 hPa
EL805 hPa
Freezing Lvl3,914 ft