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: 5:24 PM CDT  ·  Refresh
27°C
Feels like 28°
Clear
▲ 29°  /  ▼ 18°
Wind
10 mph W
Humidity
58%
Dew Point
18°
Pressure
29.85 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
4%
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 27°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:51AM · Sunset: 8:03PM.

Alerts

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
27°
3%
4 PM
27°
3%
5 PM
29°
3%
6 PM
28°
3%
7 PM
27°
3%
8 PM
26°
6%
9 PM
23°
6%
10 PM
23°
6%
11 PM
22°
6%
12 AM
22°
6%
1 AM
21°
6%
2 AM
21°
6%
3 AM
21°
7%
4 AM
21°
3%
5 AM
18°
3%
6 AM
18°
3%
7 AM
19°
3%
8 AM
20°
3%
9 AM
20°
3%
10 AM
23°
3%
11 AM
23°
3%
12 PM
24°
3%
1 PM
26°
3%
2 PM
27°
3%
7-Day Forecast
Today
29° 18°
Clear.
Wed
28° 18°
Mostly Clear.
Thu
26° 18°
Mostly Clear.
Fri
24° 18°
Mostly Clear.
Sat
25° 18°
Clear.
Sun
26° 18°
Partly Cloudy.
Mon
26° 18°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 10 mph W 58%
4 PM 27° Clear 3% 11 mph W 56%
5 PM 29° Clear 3% 10 mph W 56%
6 PM 28° Clear 3% 9 mph W 59%
7 PM 27° Clear 3% 7 mph W 63%
8 PM 26° Clear 6% 6 mph WSW 67%
9 PM 23° Clear 6% 5 mph SW 70%
10 PM 23° Mostly Clear 6% 4 mph SSW 73%
11 PM 22° Mostly Clear 6% 4 mph SSW 75%
12 AM 22° Mostly Clear 6% 4 mph SSW 76%
1 AM 21° Mostly Clear 6% 3 mph SSW 78%
2 AM 21° Mostly Clear 6% 3 mph SSW 79%
3 AM 21° Mostly Clear 7% 3 mph SSW 79%
4 AM 21° Mostly Clear 3% 3 mph S 80%
5 AM 18° Mostly Clear 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% 3 mph S 72%
9 AM 20° Mostly Clear 3% 4 mph SSW 67%
10 AM 23° Mostly Clear 3% 5 mph SSW 63%
11 AM 23° Mostly Clear 3% 5 mph SW 60%
12 PM 24° Mostly Clear 3% 6 mph SW 58%
1 PM 26° Mostly Clear 3% 6 mph SW 56%
2 PM 27° Partly Cloudy 3% 7 mph WSW 55%
15-Day Forecast
Today
7/14
Clear
6%
18°
29°
Wed
7/15
Mostly Clear
7%
18°
28°
Thu
7/16
Mostly Clear
7%
18°
26°
Fri
7/17
Mostly Clear
5%
18°
24°
Sat
7/18
Clear
3%
18°
25°
Sun
7/19
Partly Cloudy
8%
18°
26°
Mon
7/20
Mostly Clear
8%
18°
26°
Tue
7/21
Clear
18%
18°
27°
Wed
7/22
Mostly Clear
44%
19°
27°
Thu
7/23
Drizzle
60%
18°
27°
Fri
7/24
Partly Cloudy
25%
18°
26°
Sat
7/25
Clear
25%
22°
26°
Sun
7/26
Clear
25%
22°
26°
Mon
7/27
Clear
25%
21°
26°
Tue
7/28
Clear
25%
21°
26°
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
SBCAPE7 J/kg
MLCAPE26 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.5
Kinematics
0–6 km Shear10 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH12
0–3 km SRH11
Eff. SRH—
Storm Motion82° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index27.1
Thermo & Levels
PWAT1.43 in
0–3 km LR4.7 °C/km
700–500 LR6.2 °C/km
Total Totals44.3
LCL886 hPa
LFC1011 hPa
EL978 hPa
Freezing Lvl16,119 ft