Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 7:00 PM

Philadelphia, Pennsylvania

Last updated: 6:18 PM CDT  ·  Refresh
25°C
Feels like 25°
Mostly Clear
▲ 28°  /  ▼ 19°
Wind
9 mph WNW
Humidity
65%
Dew Point
19°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
23%
Sunrise
5:56 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia is currently mostly clear at 25°C. Precipitation is likely — peak probability 62% around 9 PM. Atmospheric instability is elevated (CAPE up to 767 J/kg) — isolated convective development possible. Sunrise: 5:56AM · Sunset: 8:17PM.

Alerts

Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
20%
8 PM
24°
49%
9 PM
23°
61%
10 PM
22°
23%
11 PM
22°
23%
12 AM
21°
18%
1 AM
21°
15%
2 AM
21°
8%
3 AM
20°
10%
4 AM
20°
11%
5 AM
19°
11%
6 AM
19°
11%
7 AM
20°
9%
8 AM
21°
12%
9 AM
22°
30%
10 AM
23°
35%
11 AM
24°
43%
12 PM
24°
35%
1 PM
27°
39%
2 PM
28°
42%
3 PM
28°
45%
4 PM
28°
45%
5 PM
27°
45%
6 PM
26°
45%
7-Day Forecast
Tonight
28° 19°
Mostly Clear with a 23% chance of rain.
Thu
30° 19°
Rain, 47% chance.
Fri
33° 19°
Mostly Clear.
Sat
35° 21°
Mostly Cloudy with a 60% chance of rain.
Sun
33° 22°
Rain, 64% chance.
Mon
31° 21°
Rain, 67% chance.
Tue
35° 20°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 20% 9 mph WNW 65%
8 PM 24° Partly Cloudy 49% 9 mph WNW 70%
9 PM 23° Partly Cloudy 61% 8 mph WNW 72%
10 PM 22° Partly Cloudy 23% 8 mph WNW 73%
11 PM 22° Partly Cloudy 23% 8 mph WNW 74%
12 AM 21° Partly Cloudy 18% 8 mph WNW 76%
1 AM 21° Partly Cloudy 15% 8 mph WNW 77%
2 AM 21° Mostly Clear 8% 8 mph WNW 79%
3 AM 20° Partly Cloudy 10% 8 mph WNW 80%
4 AM 20° Partly Cloudy 11% 7 mph WNW 80%
5 AM 19° Partly Cloudy 11% 7 mph WNW 81%
6 AM 19° Partly Cloudy 11% 8 mph WNW 78%
7 AM 20° Partly Cloudy 9% 9 mph WNW 76%
8 AM 21° Partly Cloudy 12% 10 mph NW 73%
9 AM 22° Partly Cloudy 30% 10 mph NW 72%
10 AM 23° Partly Cloudy 35% 10 mph NW 70%
11 AM 24° Partly Cloudy 43% 10 mph NNW 67%
12 PM 24° Partly Cloudy 35% 9 mph NNW 63%
1 PM 27° Partly Cloudy 39% 9 mph NNW 59%
2 PM 28° Rain 42% 9 mph NNW 57%
3 PM 28° Rain 45% 9 mph NNW 58%
4 PM 28° Rain 45% 9 mph NNW 59%
5 PM 27° Rain 45% 8 mph NNW 60%
6 PM 26° Rain 45% 8 mph N 64%
15-Day Forecast
Today
7/29
Mostly Clear
23%
19°
28°
Thu
7/30
Rain
47%
19°
30°
Fri
7/31
Mostly Clear
12%
19°
33°
Sat
8/1
Mostly Cloudy
60%
21°
35°
Sun
8/2
Rain
64%
22°
33°
Mon
8/3
Rain
67%
21°
31°
Tue
8/4
Clear
21%
20°
35°
Wed
8/5
Mostly Clear
16%
22°
35°
Thu
8/6
Rain
53%
23°
37°
Fri
8/7
Rain
66%
23°
37°
Sat
8/8
Rain
59%
23°
36°
Sun
8/9
Drizzle
60%
24°
38°
Mon
8/10
Drizzle
60%
23°
36°
Tue
8/11
Drizzle
60%
23°
34°
Wed
8/12
Drizzle
60%
22°
34°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.4 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 51 Moderate 43 51
Fri 49 Good 40 49
Sat 54 Moderate 54 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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 29, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE996 J/kg
MLCAPE708 J/kg
MUCAPE996 J/kg
SBCIN-15 J/kg
MLCIN0 J/kg
Lifted Index-3.6
Kinematics
0–6 km Shear23 kt
0–1 km Shear13 kt
Eff. Shear20 kt
0–1 km SRH-33
0–3 km SRH-22
Eff. SRH-22
Storm Motion253° @ 18 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT1.54 in
0–3 km LR6.8 °C/km
700–500 LR5.9 °C/km
Total Totals48.1
LCL911 hPa
LFC890 hPa
EL274 hPa
Freezing Lvl12,972 ft