Excessive Heat Warning — Imperial County Southwest, CA, Imperial County Southeast, CA, Imperial County West, CA, Imperial Valley, CA, Palo Verde Valley, CA, Chuckwalla Valley, CA, Aguila Valley, AZ, Tonopah Desert, AZ, Gila Bend, AZ, Cave Creek/New River, AZ, Fountain Hills/East Mesa, AZ, Northwest Pinal County, AZ, West Pinal County, AZ, Apache Junction/Gold Canyon, AZ, Sonoran Desert Natl Monument, AZ, Northwest Valley, AZ, Buckeye/Avondale, AZ, Deer Valley, AZ, Central Phoenix, AZ, North Phoenix/Glendale, AZ, Scottsdale/Paradise Valley, AZ, East Valley, AZ, South Mountain/Ahwatukee, AZ, Southeast Valley/Queen Creek, AZ, San Carlos, AZ 10:00 PM

Imperial County, California, United States

Last updated: 7:14 AM CDT  ·  Refresh
32°C
Feels like 34°
Mostly Cloudy
▲ 44°  /  ▼ 31°
Wind
8 mph SE
Humidity
51%
Dew Point
20°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
64%
Sunrise
6:07 AM
Sunset
7:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Imperial County is currently mostly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1144 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:20PM.

Alerts

Excessive Heat Warning
Imperial County Southwest, CA, Imperial County Southeast, CA, Imperial County West, CA, Imperial Valley, CA, Palo Verde Valley, CA, Chuckwalla Valley, CA, Aguila Valley, AZ, Tonopah Desert, AZ, Gila Bend, AZ, Cave Creek/New River, AZ, Fountain Hills/East Mesa, AZ, Northwest Pinal County, AZ, West Pinal County, AZ, Apache Junction/Gold Canyon, AZ, Sonoran Desert Natl Monument, AZ, Northwest Valley, AZ, Buckeye/Avondale, AZ, Deer Valley, AZ, Central Phoenix, AZ, North Phoenix/Glendale, AZ, Scottsdale/Paradise Valley, AZ, East Valley, AZ, South Mountain/Ahwatukee, AZ, Southeast Valley/Queen Creek, AZ, San Carlos, AZ
Expires 10:00 PM
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
8%
6 AM
30°
8%
7 AM
31°
3%
8 AM
32°
3%
9 AM
35°
3%
10 AM
37°
3%
11 AM
38°
3%
12 PM
39°
3%
1 PM
41°
3%
2 PM
42°
7%
3 PM
42°
11%
4 PM
42°
15%
5 PM
44°
14%
6 PM
43°
5%
7 PM
42°
5%
8 PM
41°
5%
9 PM
39°
5%
10 PM
38°
5%
11 PM
37°
5%
12 AM
34°
5%
1 AM
34°
5%
2 AM
33°
5%
3 AM
33°
5%
4 AM
33°
5%
7-Day Forecast
Today
44° 31°
Partly Cloudy.
Fri
47° 31°
Clear.
Sat
47° 30°
Clear.
Sun
44° 28°
Clear with a 28% chance of rain.
Mon
44° 29°
Partly Cloudy.
Tue
46° 29°
Clear.
Wed
44° 30°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Cloudy 8% 8 mph SE 51%
6 AM 30° Mostly Cloudy 8% 8 mph SE 45%
7 AM 31° Mostly Cloudy 3% 9 mph SE 44%
8 AM 32° Mostly Cloudy 3% 10 mph SSE 40%
9 AM 35° Mostly Cloudy 3% 9 mph SSE 37%
10 AM 37° Partly Cloudy 3% 9 mph S 33%
11 AM 38° Partly Cloudy 3% 8 mph S 30%
12 PM 39° Partly Cloudy 3% 7 mph S 28%
1 PM 41° Partly Cloudy 3% 6 mph S 27%
2 PM 42° Partly Cloudy 7% 7 mph S 25%
3 PM 42° Partly Cloudy 11% 8 mph S 24%
4 PM 42° Partly Cloudy 15% 7 mph S 24%
5 PM 44° Partly Cloudy 14% 7 mph SSW 22%
6 PM 43° Partly Cloudy 5% 5 mph SSW 22%
7 PM 42° Partly Cloudy 5% 5 mph NW 23%
8 PM 41° Partly Cloudy 5% 4 mph E 25%
9 PM 39° Mostly Clear 5% 4 mph SSE 27%
10 PM 38° Mostly Clear 5% 5 mph SSE 29%
11 PM 37° Clear 5% 6 mph S 32%
12 AM 34° Mostly Clear 5% 5 mph SSE 35%
1 AM 34° Mostly Clear 5% 4 mph SE 37%
2 AM 33° Mostly Clear 5% 4 mph SE 39%
3 AM 33° Mostly Clear 5% 4 mph SE 40%
4 AM 33° Mostly Clear 5% 4 mph SE 42%
15-Day Forecast
Today
8/20
Partly Cloudy
14%
31°
44°
Fri
8/21
Clear
6%
31°
47°
Sat
8/22
Clear
7%
30°
47°
Sun
8/23
Clear
28%
28°
44°
Mon
8/24
Partly Cloudy
15%
29°
44°
Tue
8/25
Clear
7%
29°
46°
Wed
8/26
Clear
15%
30°
44°
Thu
8/27
Clear
16%
31°
47°
Fri
8/28
Clear
35%
30°
45°
Sat
8/29
Clear
32%
31°
47°
Sun
8/30
Clear
60%
30°
47°
Mon
8/31
Clear
25%
29°
41°
Tue
9/1
Clear
60%
29°
41°
Wed
9/2
Clear
25%
29°
41°
Thu
9/3
Clear
25%
29°
41°
42
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
29 AQI 5.3 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 42 Good 42 29
Sat 49 Good 49 22
Sun 44 Good 43 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 Thu Aug 20, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE712 J/kg
MLCAPE87 J/kg
MUCAPE722 J/kg
SBCIN-650 J/kg
MLCIN-581 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear6 kt
0–1 km Shear6 kt
Eff. Shear20 kt
0–1 km SRH1
0–3 km SRH17
Eff. SRH-23
Storm Motion116° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.9
Thermo & Levels
PWAT1.72 in
0–3 km LR5.5 °C/km
700–500 LR6.7 °C/km
Total Totals47.9
LCL859 hPa
LFC648 hPa
EL190 hPa
Freezing Lvl16,348 ft