Excessive Heat Watch 10:00 PM Excessive Heat Warning — Imperial County Southwest, CA, Salton Sea, CA, Chuckwalla Mountains, CA, Imperial County Southeast, CA, Imperial County West, CA, Imperial Valley, CA, Chiriaco Summit, CA, Palo Verde Valley, CA, Chuckwalla Valley, CA, Joshua Tree NP West, CA, Joshua Tree NP East, CA, Aguila Valley, AZ, Tonopah Desert, AZ, Gila Bend, AZ, Cave Creek/New River, AZ, New River Mesa, AZ, Rio Verde/Salt River, AZ, Fountain Hills/East Mesa, AZ, Superior, 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 10:00 PM

Imperial, California

Last updated: 6:07 PM CDT  ·  Refresh
43°C
Feels like 43°
Clear
▲ 46°  /  ▼ 29°
Wind
3 mph SW
Humidity
16%
Dew Point
13°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
7.6
Cloud Cover
3%
Sunrise
5:48 AM
Sunset
7:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Imperial is currently clear at 43°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:48AM · Sunset: 7:47PM.

Alerts

Excessive Heat Watch
Expires 10:00 PM
Excessive Heat Warning
Imperial County Southwest, CA, Salton Sea, CA, Chuckwalla Mountains, CA, Imperial County Southeast, CA, Imperial County West, CA, Imperial Valley, CA, Chiriaco Summit, CA, Palo Verde Valley, CA, Chuckwalla Valley, CA, Joshua Tree NP West, CA, Joshua Tree NP East, CA, Aguila Valley, AZ, Tonopah Desert, AZ, Gila Bend, AZ, Cave Creek/New River, AZ, New River Mesa, AZ, Rio Verde/Salt River, AZ, Fountain Hills/East Mesa, AZ, Superior, 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
Expires 10:00 PM
49 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
43°
3%
5 PM
46°
3%
6 PM
46°
3%
7 PM
44°
3%
8 PM
42°
3%
9 PM
41°
3%
10 PM
39°
3%
11 PM
38°
3%
12 AM
37°
3%
1 AM
36°
3%
2 AM
35°
3%
3 AM
34°
3%
4 AM
34°
3%
5 AM
31°
3%
6 AM
32°
3%
7 AM
33°
3%
8 AM
35°
3%
9 AM
35°
3%
10 AM
37°
3%
11 AM
41°
3%
12 PM
41°
3%
1 PM
42°
3%
2 PM
43°
3%
3 PM
46°
3%
7-Day Forecast
Today
46° 29°
Clear.
Thu
48° 29°
Clear.
Fri
50° 32°
Clear.
Sat
49° 32°
Clear.
Sun
44° 32°
Partly Cloudy with a 20% chance of rain.
Mon
47° 32°
Partly Cloudy.
Tue
47° 31°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 43° Clear 3% 3 mph SW 16%
5 PM 46° Clear 3% 3 mph SSW 17%
6 PM 46° Clear 3% 4 mph WSW 18%
7 PM 44° Clear 3% 4 mph WSW 20%
8 PM 42° Clear 3% 6 mph W 22%
9 PM 41° Clear 3% 6 mph WSW 24%
10 PM 39° Clear 3% 6 mph W 26%
11 PM 38° Clear 3% 6 mph W 28%
12 AM 37° Clear 3% 5 mph W 29%
1 AM 36° Clear 3% 4 mph WNW 30%
2 AM 35° Clear 3% 5 mph NW 31%
3 AM 34° Clear 3% 4 mph NW 31%
4 AM 34° Clear 3% 4 mph NW 32%
5 AM 31° Clear 3% 3 mph NW 31%
6 AM 32° Clear 3% 2 mph NW 29%
7 AM 33° Clear 3% 2 mph NW 27%
8 AM 35° Clear 3% 2 mph ENE 23%
9 AM 35° Clear 3% 2 mph ESE 22%
10 AM 37° Clear 3% 2 mph SE 20%
11 AM 41° Clear 3% 2 mph SE 19%
12 PM 41° Clear 3% 3 mph SSE 18%
1 PM 42° Clear 3% 3 mph SSE 18%
2 PM 43° Clear 3% 4 mph SSE 17%
3 PM 46° Clear 3% 5 mph SSE 17%
15-Day Forecast
Today
7/22
Clear
3%
29°
46°
Thu
7/23
Clear
3%
29°
48°
Fri
7/24
Clear
3%
32°
50°
Sat
7/25
Clear
17%
32°
49°
Sun
7/26
Partly Cloudy
20%
32°
44°
Mon
7/27
Partly Cloudy
11%
32°
47°
Tue
7/28
Partly Cloudy
8%
31°
47°
Wed
7/29
Mostly Clear
3%
31°
47°
Thu
7/30
Mostly Clear
25%
31°
43°
Fri
7/31
Partly Cloudy
21%
32°
47°
Sat
8/1
Partly Cloudy
25%
31°
45°
Sun
8/2
Clear
3%
31°
44°
Mon
8/3
Clear
25%
31°
44°
Tue
8/4
Clear
25%
31°
44°
Wed
8/5
Clear
3%
30°
43°
49
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
32 AQI 5.8 µg/m³
O3
Ground-level ozone
Dominant
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 49 Good 49 32
Fri 50 Good 50 50
Sat 46 Good 46 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 Wed Jul 22, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE152 J/kg
MLCAPE25 J/kg
MUCAPE43 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index0.8
Kinematics
0–6 km Shear7 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH-13
0–3 km SRH-27
Eff. SRH-27
Storm Motion358° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index36.2
Thermo & Levels
PWAT1.88 in
0–3 km LR9.7 °C/km
700–500 LR6.0 °C/km
Total Totals44.6
LCL654 hPa
LFC1009 hPa
EL724 hPa
Freezing Lvl17,260 ft