Heat Advisory — Los Angeles County Inland Coast including Downtown Los Angeles, CA 10:00 PM

Los Angeles, California

Last updated: 11:17 AM CDT  ·  Refresh
25°C
Feels like 25°
Mostly Clear
▲ 33°  /  ▼ 19°
Wind
5 mph S
Humidity
51%
Dew Point
14°
Pressure
28.84 inHg
Visibility
10 mi
UV Index
7.4
Cloud Cover
11%
Sunrise
5:56 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Los Angeles is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:56AM · Sunset: 8:02PM.

Alerts

Heat Advisory
Los Angeles County Inland Coast including Downtown Los Angeles, CA
Expires 10:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
29°
3%
1 PM
31°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
33°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
27°
3%
9 PM
25°
3%
10 PM
24°
3%
11 PM
24°
3%
12 AM
23°
3%
1 AM
23°
3%
2 AM
22°
3%
3 AM
22°
3%
4 AM
21°
3%
5 AM
19°
3%
6 AM
20°
3%
7 AM
20°
3%
8 AM
21°
3%
7-Day Forecast
Today
33° 19°
Clear.
Wed
32° 19°
Clear.
Thu
36° 22°
Clear.
Fri
36° 22°
Clear.
Sat
37° 22°
Clear.
Sun
37° 23°
Clear.
Mon
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 3% 5 mph S 51%
10 AM 26° Clear 3% 6 mph S 42%
11 AM 28° Clear 3% 7 mph SSW 37%
12 PM 29° Clear 3% 8 mph SSW 35%
1 PM 31° Clear 3% 9 mph SSW 33%
2 PM 32° Clear 3% 9 mph SSW 31%
3 PM 32° Clear 3% 8 mph SW 29%
4 PM 32° Clear 3% 10 mph W 27%
5 PM 33° Clear 3% 11 mph W 28%
6 PM 31° Clear 3% 10 mph W 38%
7 PM 29° Clear 3% 9 mph W 48%
8 PM 27° Clear 3% 7 mph W 58%
9 PM 25° Clear 3% 6 mph W 63%
10 PM 24° Clear 3% 5 mph W 68%
11 PM 24° Clear 3% 4 mph WSW 72%
12 AM 23° Clear 3% 3 mph WSW 75%
1 AM 23° Clear 3% 3 mph SW 77%
2 AM 22° Mostly Clear 3% 3 mph SSW 79%
3 AM 22° Mostly Clear 3% 2 mph SSW 80%
4 AM 21° Mostly Clear 3% 2 mph SSW 80%
5 AM 19° Mostly Clear 3% 2 mph S 80%
6 AM 20° Mostly Clear 3% 2 mph S 79%
7 AM 20° Mostly Clear 3% 2 mph S 77%
8 AM 21° Mostly Clear 3% 3 mph S 75%
15-Day Forecast
Today
7/21
Clear
3%
19°
33°
Wed
7/22
Clear
3%
19°
32°
Thu
7/23
Clear
3%
22°
36°
Fri
7/24
Clear
3%
22°
36°
Sat
7/25
Clear
3%
22°
37°
Sun
7/26
Clear
3%
23°
37°
Mon
7/27
Clear
3%
23°
36°
Tue
7/28
Clear
3%
21°
34°
Wed
7/29
Clear
19%
21°
34°
Thu
7/30
Clear
12%
23°
36°
Fri
7/31
Clear
3%
23°
34°
Sat
8/1
Clear
3%
23°
34°
Sun
8/2
Clear
3%
22°
34°
Mon
8/3
Clear
3%
22°
33°
Tue
8/4
Clear
3%
22°
33°
55
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
55 AQI 11.4 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 55 Moderate 47 55
Thu 43 Good 43 43
Fri 93 Moderate 93 58
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 Tue Jul 21, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE10 J/kg
MLCAPE15 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index4.1
Kinematics
0–6 km Shear1 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH-37
0–3 km SRH-4
Eff. SRH—
Storm Motion238° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index22.7
Thermo & Levels
PWAT1.36 in
0–3 km LR5.0 °C/km
700–500 LR6.5 °C/km
Total Totals36.5
LCL833 hPa
LFC977 hPa
EL940 hPa
Freezing Lvl15,144 ft