Heat Advisory — Santa Clarita Valley, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, CA, Santa Barbara County Interior Mountains, CA, Lake Casitas, CA, Ojai Valley, CA, Central Ventura County Valleys, CA, Western Santa Monica Mountains Recreational Area, CA, Eastern Santa Monica Mountains Recreational Area, CA, Calabasas and Agoura Hills, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Southeastern Ventura County Valleys, CA, Santa Susana Mountains, CA, Southern Ventura County Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Los Angeles County San Gabriel Valley, CA 12:00 PM Red Flag Warning — CAZ238, San Luis Obispo County Mountains, CA, Santa Barbara County Interior Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA 5:00 PM Excessive Heat Watch 10:00 PM

Los Angeles County, California, United States

Last updated: 1:27 AM CDT  ·  Refresh
26°C
Feels like 24°
Clear
▲ 34°  /  ▼ 22°
Wind
3 mph N
Humidity
34%
Dew Point
7°
Pressure
26.59 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:19 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Los Angeles County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:19AM · Sunset: 7:29PM.

Alerts

Heat Advisory
Santa Clarita Valley, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, CA, Santa Barbara County Interior Mountains, CA, Lake Casitas, CA, Ojai Valley, CA, Central Ventura County Valleys, CA, Western Santa Monica Mountains Recreational Area, CA, Eastern Santa Monica Mountains Recreational Area, CA, Calabasas and Agoura Hills, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Southeastern Ventura County Valleys, CA, Santa Susana Mountains, CA, Southern Ventura County Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Los Angeles County San Gabriel Valley, CA
Expires 12:00 PM
Red Flag Warning
CAZ238, San Luis Obispo County Mountains, CA, Santa Barbara County Interior Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA
Expires 5:00 PM
Excessive Heat Watch
Expires 10:00 PM
84 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
12 AM
25°
8%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
29°
3%
9 PM
27°
3%
10 PM
26°
3%
7-Day Forecast
Tonight
34° 22°
Clear.
Tue
36° 22°
Partly Cloudy.
Wed
38° 23°
Mostly Clear.
Thu
36° 22°
Mostly Clear.
Fri
36° 22°
Mostly Cloudy.
Sat
36° 20°
Clear.
Sun
33° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 3 mph N 34%
12 AM 25° Clear 8% 3 mph NNE 32%
1 AM 24° Mostly Clear 3% 3 mph NE 33%
2 AM 24° Partly Cloudy 3% 3 mph NE 33%
3 AM 24° Mostly Cloudy 3% 4 mph NE 33%
4 AM 24° Mostly Cloudy 3% 4 mph NE 32%
5 AM 22° Overcast 3% 4 mph NE 32%
6 AM 22° Mostly Cloudy 3% 2 mph NE 31%
7 AM 23° Mostly Cloudy 3% 2 mph NE 30%
8 AM 26° Mostly Cloudy 3% 2 mph W 28%
9 AM 29° Mostly Cloudy 3% 3 mph WSW 26%
10 AM 31° Partly Cloudy 3% 5 mph WSW 24%
11 AM 32° Partly Cloudy 3% 7 mph WSW 23%
12 PM 32° Partly Cloudy 3% 8 mph WSW 23%
1 PM 34° Partly Cloudy 3% 9 mph SW 22%
2 PM 34° Mostly Clear 3% 10 mph WSW 23%
3 PM 34° Partly Cloudy 3% 9 mph WSW 24%
4 PM 34° Partly Cloudy 3% 9 mph WSW 25%
5 PM 34° Partly Cloudy 3% 8 mph WSW 27%
6 PM 31° Partly Cloudy 3% 7 mph WSW 30%
7 PM 29° Mostly Clear 3% 5 mph WSW 34%
8 PM 29° Mostly Clear 3% 5 mph WSW 35%
9 PM 27° Mostly Clear 3% 4 mph SW 36%
10 PM 26° Mostly Clear 3% 4 mph SW 36%
15-Day Forecast
Today
8/24
Clear
8%
22°
34°
Tue
8/25
Partly Cloudy
3%
22°
36°
Wed
8/26
Mostly Clear
3%
23°
38°
Thu
8/27
Mostly Clear
17%
22°
36°
Fri
8/28
Mostly Cloudy
7%
22°
36°
Sat
8/29
Clear
3%
20°
36°
Sun
8/30
Clear
3%
18°
33°
Mon
8/31
Clear
3%
16°
31°
Tue
9/1
Clear
18%
16°
31°
Wed
9/2
Clear
19%
18°
32°
Thu
9/3
Clear
3%
19°
33°
Fri
9/4
Clear
25%
19°
32°
Sat
9/5
Clear
25%
19°
31°
Sun
9/6
Drizzle
60%
19°
31°
Mon
9/7
Drizzle
60%
19°
31°
84
Moderate
U.S. Air Quality Index · Dominant: O3
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
28 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
84 AQI 65 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 84 Moderate 84 28
Wed 129 Unhealthy for Sensitive Groups 129 41
Thu 101 Unhealthy for Sensitive Groups 101 43
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 Aug 25, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE16 J/kg
MUCAPE57 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear20 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH-11
0–3 km SRH21
Eff. SRH—
Storm Motion270° @ 16 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.0
Thermo & Levels
PWAT0.94 in
0–3 km LR6.6 °C/km
700–500 LR7.4 °C/km
Total Totals43.8
LCL690 hPa
LFC901 hPa
EL901 hPa
Freezing Lvl12,211 ft