Excessive Heat Warning — Cuyama Valley, CA, Santa Barbara County Interior Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Santa Clarita Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Santa Susana Mountains, CA, Los Angeles County San Gabriel Valley, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, 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, Southeastern Ventura County Valleys, CA, Western Antelope Valley Foothills, CA, Eastern Antelope Valley Foothills, CA, Antelope Valley, CA, Southern Salinas Valley, CA, San Luis Obispo County Interior Valleys, CA, San Luis Obispo County Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Catalina and Santa Barbara Islands, CA, San Luis Obispo County Inland Central Coast, CA, Santa Lucia Mountains, CA, Santa Barbara County Inland Central Coast, CA, Santa Ynez Valley, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, San Miguel and Santa Rosa Islands, CA, Santa Cruz and Anacapa Islands, CA 10:00 PM Excessive Heat Watch 10:00 PM Excessive Heat Warning — Coachella Valley, CA, San Diego County Deserts, CA, San Bernardino and Riverside County Valleys-The Inland Empire, CA, San Diego County Inland Valleys, CA, San Bernardino County Mountains, CA, Riverside County Mountains, CA, Santa Ana Mountains and Foothills, CA, San Diego County Mountains, CA, San Gorgonio Pass Near Banning, CA, Orange County Inland, CA, San Diego County Coastal Areas, CA, Orange County Coastal, CA 10:00 PM

Fountain Valley, California

Last updated: 4:41 PM CDT  ·  Refresh
26°C
Feels like 26°
Clear
▲ 28°  /  ▼ 18°
Wind
11 mph W
Humidity
61%
Dew Point
18°
Pressure
29.87 inHg
Visibility
9 mi
UV Index
9.2
Cloud Cover
6%
Sunrise
5:51 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fountain Valley is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:51AM · Sunset: 8:03PM.

Alerts

Excessive Heat Warning
Cuyama Valley, CA, Santa Barbara County Interior Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Santa Clarita Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Santa Susana Mountains, CA, Los Angeles County San Gabriel Valley, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, 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, Southeastern Ventura County Valleys, CA, Western Antelope Valley Foothills, CA, Eastern Antelope Valley Foothills, CA, Antelope Valley, CA, Southern Salinas Valley, CA, San Luis Obispo County Interior Valleys, CA, San Luis Obispo County Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Catalina and Santa Barbara Islands, CA, San Luis Obispo County Inland Central Coast, CA, Santa Lucia Mountains, CA, Santa Barbara County Inland Central Coast, CA, Santa Ynez Valley, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, San Miguel and Santa Rosa Islands, CA, Santa Cruz and Anacapa Islands, CA
Expires 10:00 PM
Excessive Heat Watch
Expires 10:00 PM
Excessive Heat Warning
Coachella Valley, CA, San Diego County Deserts, CA, San Bernardino and Riverside County Valleys-The Inland Empire, CA, San Diego County Inland Valleys, CA, San Bernardino County Mountains, CA, Riverside County Mountains, CA, Santa Ana Mountains and Foothills, CA, San Diego County Mountains, CA, San Gorgonio Pass Near Banning, CA, Orange County Inland, CA, San Diego County Coastal Areas, CA, Orange County Coastal, CA
Expires 10:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
26°
3%
8 PM
25°
6%
9 PM
23°
6%
10 PM
22°
6%
11 PM
22°
6%
12 AM
21°
6%
1 AM
21°
6%
2 AM
21°
7%
3 AM
21°
3%
4 AM
20°
3%
5 AM
18°
3%
6 AM
18°
3%
7 AM
19°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
22°
3%
11 AM
23°
3%
12 PM
23°
3%
1 PM
25°
3%
7-Day Forecast
Today
28° 18°
Clear.
Wed
28° 18°
Partly Cloudy.
Thu
26° 18°
Partly Cloudy.
Fri
24° 18°
Partly Cloudy.
Sat
26° 19°
Clear.
Sun
26° 19°
Clear.
Mon
26° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 11 mph W 61%
3 PM 26° Clear 3% 12 mph W 61%
4 PM 26° Clear 3% 12 mph W 60%
5 PM 28° Clear 3% 11 mph W 61%
6 PM 27° Clear 3% 9 mph W 64%
7 PM 26° Clear 3% 8 mph W 68%
8 PM 25° Clear 6% 6 mph WSW 71%
9 PM 23° Mostly Clear 6% 5 mph WSW 73%
10 PM 22° Mostly Clear 6% 4 mph SW 75%
11 PM 22° Mostly Clear 6% 4 mph SSW 77%
12 AM 21° Mostly Clear 6% 4 mph SSW 78%
1 AM 21° Mostly Clear 6% 4 mph SSW 80%
2 AM 21° Mostly Clear 7% 3 mph SSW 80%
3 AM 21° Mostly Clear 3% 3 mph SSW 80%
4 AM 20° Partly Cloudy 3% 3 mph S 81%
5 AM 18° Partly Cloudy 3% 3 mph S 80%
6 AM 18° Mostly Clear 3% 3 mph S 78%
7 AM 19° Mostly Clear 3% 3 mph S 76%
8 AM 20° Mostly Clear 3% 4 mph S 72%
9 AM 22° Mostly Clear 3% 4 mph SSW 68%
10 AM 22° Mostly Clear 3% 5 mph SSW 64%
11 AM 23° Mostly Clear 3% 6 mph SW 62%
12 PM 23° Mostly Clear 3% 6 mph SW 60%
1 PM 25° Partly Cloudy 3% 7 mph SW 58%
15-Day Forecast
Today
7/14
Clear
6%
18°
28°
Wed
7/15
Partly Cloudy
7%
18°
28°
Thu
7/16
Partly Cloudy
7%
18°
26°
Fri
7/17
Partly Cloudy
5%
18°
24°
Sat
7/18
Clear
3%
19°
26°
Sun
7/19
Clear
8%
19°
26°
Mon
7/20
Clear
8%
19°
26°
Tue
7/21
Clear
18%
19°
27°
Wed
7/22
Drizzle
44%
19°
27°
Thu
7/23
Drizzle
60%
22°
27°
Fri
7/24
Clear
25%
22°
25°
Sat
7/25
Clear
25%
22°
24°
Sun
7/26
Clear
25%
21°
24°
Mon
7/27
Clear
25%
21°
24°
Tue
7/28
Clear
25%
21°
24°
46
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
46 AQI 8.3 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 46 Good 36 46
Thu 41 Good 33 41
Fri 44 Good 30 44
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 14, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1 J/kg
MLCAPE26 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.6
Kinematics
0–6 km Shear11 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH10
0–3 km SRH8
Eff. SRH—
Storm Motion78° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index27.1
Thermo & Levels
PWAT1.44 in
0–3 km LR4.4 °C/km
700–500 LR6.2 °C/km
Total Totals44.3
LCL904 hPa
LFC1012 hPa
EL993 hPa
Freezing Lvl16,142 ft