Flash Flood Warning — Bucks County, PA, Montgomery County, PA, Philadelphia County, PA 5:00 AM

Bucks County, Pennsylvania, United States

Last updated: 3:49 AM CDT  ·  Refresh
20°C
Feels like 23°
Overcast
▲ 30°  /  ▼ 20°
Wind
3 mph SE
Humidity
97%
Dew Point
20°
Pressure
29.43 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
95%
Sunrise
6:13 AM
Sunset
7:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bucks County is currently overcast at 20°C. Precipitation is likely — peak probability 56% around 4 AM. Atmospheric instability is elevated (CAPE up to 1380 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 7:54PM.

42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
56%
5 AM
19°
40%
6 AM
19°
12%
7 AM
20°
4%
8 AM
21°
9%
9 AM
23°
19%
10 AM
24°
19%
11 AM
26°
31%
12 PM
27°
37%
1 PM
28°
41%
2 PM
29°
38%
3 PM
29°
46%
4 PM
30°
54%
5 PM
29°
46%
6 PM
28°
33%
7 PM
27°
35%
8 PM
26°
29%
9 PM
24°
29%
10 PM
24°
29%
11 PM
23°
29%
12 AM
22°
26%
1 AM
22°
25%
2 AM
22°
25%
3 AM
22°
24%
7-Day Forecast
Today
30° 20°
Rain, 56% chance.
Tue
31° 20°
Partly Cloudy.
Wed
32° 18°
Partly Cloudy.
Thu
29° 18°
Rain, 73% chance.
Fri
28° 18°
Rain, 64% chance.
Sat
28° 18°
Rain, 82% chance.
Sun
31° 18°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Overcast 56% 3 mph SE 97%
5 AM 19° Overcast 40% 3 mph E 98%
6 AM 19° Mostly Cloudy 12% 3 mph WNW 97%
7 AM 20° Partly Cloudy 4% 4 mph WNW 96%
8 AM 21° Partly Cloudy 9% 5 mph NW 92%
9 AM 23° Partly Cloudy 19% 5 mph NW 86%
10 AM 24° Partly Cloudy 19% 6 mph NW 81%
11 AM 26° Mostly Cloudy 31% 5 mph WNW 77%
12 PM 27° Partly Cloudy 37% 6 mph WNW 72%
1 PM 28° Partly Cloudy 41% 6 mph WNW 68%
2 PM 29° Mostly Clear 38% 6 mph WNW 66%
3 PM 29° Mostly Clear 46% 6 mph W 64%
4 PM 30° Rain 54% 6 mph W 63%
5 PM 29° Mostly Cloudy 46% 6 mph W 67%
6 PM 28° Mostly Cloudy 33% 5 mph W 74%
7 PM 27° Mostly Cloudy 35% 5 mph W 80%
8 PM 26° Overcast 29% 4 mph W 83%
9 PM 24° Overcast 29% 4 mph WNW 84%
10 PM 24° Overcast 29% 4 mph NW 85%
11 PM 23° Mostly Cloudy 29% 5 mph NW 86%
12 AM 22° Partly Cloudy 26% 5 mph NW 86%
1 AM 22° Partly Cloudy 25% 5 mph NW 87%
2 AM 22° Partly Cloudy 25% 5 mph NW 88%
3 AM 22° Mostly Clear 24% 5 mph NW 88%
15-Day Forecast
Today
8/17
Rain
56%
20°
30°
Tue
8/18
Partly Cloudy
16%
20°
31°
Wed
8/19
Partly Cloudy
14%
18°
32°
Thu
8/20
Rain
73%
18°
29°
Fri
8/21
Rain
64%
18°
28°
Sat
8/22
Rain
82%
18°
28°
Sun
8/23
Rain
63%
18°
31°
Mon
8/24
Clear
43%
16°
28°
Tue
8/25
Drizzle
44%
14°
28°
Wed
8/26
Drizzle
60%
17°
28°
Thu
8/27
Drizzle
60%
16°
27°
Fri
8/28
Drizzle
60%
16°
27°
Sat
8/29
Drizzle
60%
16°
28°
Sun
8/30
Drizzle
60%
17°
29°
Mon
8/31
Drizzle
60%
16°
28°
42
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
42 AQI 7.6 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 31 42
Tue 43 Good 42 43
Wed 53 Moderate 44 53
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 Mon Aug 17, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE27 J/kg
MUCAPE58 J/kg
SBCIN
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear23 kt
Eff. Shear
0–1 km SRH145
0–3 km SRH142
Eff. SRH
Storm Motion319° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index36.7
Thermo & Levels
PWAT2.29 in
0–3 km LR3.8 °C/km
700–500 LR5.1 °C/km
Total Totals42.6
LCL991 hPa
LFC
EL
Freezing Lvl15,115 ft