Extreme Heat Warning — Catalina and Santa Barbara Islands, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA 10:00 PM

Western Santa Monica Mountains Recreational Area, CA

Last updated: 4:55 AM CDT  ·  Refresh
24°C
Feels like 28°
Mostly Clear
▲ 33°  /  ▼ 24°
Wind
2 mph NE
Humidity
92%
Dew Point
23°
Pressure
29.97 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
25%
Sunrise
6:37 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Western Santa Monica Mountains Recreational Area is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2550 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 7:35PM.

Alerts

Extreme Heat Warning
Catalina and Santa Barbara Islands, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA
Expires 10:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
16%
5 AM
22°
36%
6 AM
22°
38%
7 AM
23°
40%
8 AM
25°
34%
9 AM
27°
34%
10 AM
28°
34%
11 AM
29°
34%
12 PM
31°
28%
1 PM
32°
29%
2 PM
33°
29%
3 PM
33°
30%
4 PM
33°
13%
5 PM
33°
14%
6 PM
32°
8%
7 PM
31°
8%
8 PM
30°
9%
9 PM
28°
9%
10 PM
28°
5%
11 PM
27°
5%
12 AM
27°
5%
1 AM
27°
5%
2 AM
27°
5%
3 AM
27°
5%
7-Day Forecast
Today
33° 24°
Partly Cloudy with a 40% chance of rain.
Wed
36° 24°
Mostly Clear with a 37% chance of rain.
Thu
37° 24°
Mostly Cloudy with a 85% chance of rain.
Fri
31° 23°
Partly Cloudy with a 70% chance of rain.
Sat
33° 23°
Drizzle, 51% chance.
Sun
33° 23°
Rain, 64% chance.
Mon
33° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 16% 2 mph NE 92%
5 AM 22° Clear 36% 2 mph NE 91%
6 AM 22° Mostly Clear 38% 2 mph NE 91%
7 AM 23° Mostly Clear 40% 2 mph NE 88%
8 AM 25° Mostly Clear 34% 2 mph N 84%
9 AM 27° Mostly Clear 34% 3 mph NW 80%
10 AM 28° Partly Cloudy 34% 5 mph NW 76%
11 AM 29° Partly Cloudy 34% 6 mph NNW 71%
12 PM 31° Mostly Cloudy 28% 8 mph NNW 66%
1 PM 32° Mostly Cloudy 29% 8 mph NNW 61%
2 PM 33° Partly Cloudy 29% 8 mph NNW 58%
3 PM 33° Mostly Clear 30% 8 mph NNW 55%
4 PM 33° Mostly Clear 13% 7 mph NNW 56%
5 PM 33° Mostly Clear 14% 4 mph N 58%
6 PM 32° Partly Cloudy 8% 2 mph NNE 62%
7 PM 31° Partly Cloudy 8% 2 mph E 67%
8 PM 30° Partly Cloudy 9% 3 mph S 72%
9 PM 28° Mostly Clear 9% 3 mph SW 77%
10 PM 28° Mostly Clear 5% 3 mph SW 80%
11 PM 27° Mostly Clear 5% 3 mph SW 82%
12 AM 27° Mostly Clear 5% 3 mph SW 84%
1 AM 27° Mostly Clear 5% 3 mph WSW 85%
2 AM 27° Mostly Clear 5% 3 mph WSW 86%
3 AM 27° Mostly Clear 5% 3 mph WSW 86%
15-Day Forecast
Today
8/25
Partly Cloudy
40%
24°
33°
Wed
8/26
Mostly Clear
37%
24°
36°
Thu
8/27
Mostly Cloudy
85%
24°
37°
Fri
8/28
Partly Cloudy
70%
23°
31°
Sat
8/29
Drizzle
51%
23°
33°
Sun
8/30
Rain
64%
23°
33°
Mon
8/31
Drizzle
53%
23°
33°
Tue
9/1
Drizzle
42%
23°
34°
Wed
9/2
Rain
68%
24°
35°
Thu
9/3
Rain
64%
24°
35°
Fri
9/4
Drizzle
60%
23°
34°
Sat
9/5
Drizzle
60%
23°
33°
Sun
9/6
Drizzle
60%
23°
34°
Mon
9/7
Drizzle
60%
23°
33°
Tue
9/8
Drizzle
60%
23°
33°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 35 53
Wed 52 Moderate 40 52
Thu 55 Moderate 40 55
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE415 J/kg
MLCAPE47 J/kg
MUCAPE415 J/kg
SBCIN-237 J/kg
MLCIN-278 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear24 kt
0–1 km Shear11 kt
Eff. Shear23 kt
0–1 km SRH-1
0–3 km SRH112
Eff. SRH112
Storm Motion50° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.6
K-Index32.5
Thermo & Levels
PWAT1.94 in
0–3 km LR4.4 °C/km
700–500 LR5.6 °C/km
Total Totals42.8
LCL1000 hPa
LFC725 hPa
EL200 hPa
Freezing Lvl15,476 ft