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

New River Mesa, Maricopa County, Arizona, United States

Last updated: 7:57 PM CDT  ·  Refresh
33°C
Feels like 33°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
4 mph WSW
Humidity
38%
Dew Point
17°
Pressure
26.38 inHg
Visibility
10 mi
UV Index
4.2
Cloud Cover
15%
Sunrise
5:31 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: New River Mesa is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1037 J/kg) — isolated convective development possible. Sunrise: 5:31AM · Sunset: 7:35PM.

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
50 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
13%
6 PM
35°
13%
7 PM
33°
6%
8 PM
30°
6%
9 PM
29°
11%
10 PM
29°
13%
11 PM
29°
15%
12 AM
28°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
26°
3%
5 AM
27°
3%
6 AM
28°
3%
7 AM
30°
3%
8 AM
31°
3%
9 AM
32°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
37°
3%
1 PM
38°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
38°
3%
7-Day Forecast
Today
37° 24°
Mostly Clear.
Thu
40° 26°
Clear.
Fri
43° 28°
Clear.
Sat
43° 28°
Mostly Clear with a 28% chance of rain.
Sun
37° 28°
Overcast.
Mon
38° 27°
Rain, 64% chance.
Tue
38° 26°
Rain, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 13% 4 mph WSW 38%
6 PM 35° Mostly Clear 13% 4 mph NW 42%
7 PM 33° Partly Cloudy 6% 6 mph NNE 46%
8 PM 30° Partly Cloudy 6% 6 mph NE 48%
9 PM 29° Partly Cloudy 11% 5 mph ENE 47%
10 PM 29° Partly Cloudy 13% 5 mph NE 46%
11 PM 29° Mostly Clear 15% 5 mph NE 47%
12 AM 28° Mostly Clear 3% 6 mph NE 48%
1 AM 28° Clear 3% 6 mph NNE 50%
2 AM 27° Clear 3% 7 mph NE 51%
3 AM 27° Clear 3% 6 mph NE 51%
4 AM 26° Clear 3% 6 mph NE 52%
5 AM 27° Clear 3% 5 mph NE 49%
6 AM 28° Clear 3% 5 mph NE 46%
7 AM 30° Clear 3% 4 mph NE 42%
8 AM 31° Clear 3% 3 mph ENE 38%
9 AM 32° Clear 3% 3 mph ESE 35%
10 AM 33° Clear 3% 4 mph SSE 32%
11 AM 34° Clear 3% 5 mph S 30%
12 PM 37° Clear 3% 6 mph S 28%
1 PM 38° Clear 3% 6 mph S 26%
2 PM 38° Clear 3% 6 mph SSW 26%
3 PM 38° Clear 3% 6 mph SSW 25%
4 PM 38° Clear 3% 6 mph SSW 24%
15-Day Forecast
Today
7/22
Mostly Clear
15%
24°
37°
Thu
7/23
Clear
3%
26°
40°
Fri
7/24
Clear
3%
28°
43°
Sat
7/25
Mostly Clear
28%
28°
43°
Sun
7/26
Overcast
16%
28°
37°
Mon
7/27
Rain
64%
27°
38°
Tue
7/28
Rain
53%
26°
38°
Wed
7/29
Drizzle
44%
26°
38°
Thu
7/30
Rain
68%
23°
39°
Fri
7/31
Rain
50%
24°
39°
Sat
8/1
Drizzle
60%
26°
38°
Sun
8/2
Drizzle
60%
28°
39°
Mon
8/3
Drizzle
60%
27°
39°
Tue
8/4
Drizzle
60%
27°
38°
Wed
8/5
Drizzle
60%
27°
38°
50
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
21 AQI 3.7 µg/m³
O3
Ground-level ozone
Dominant
50 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 50 21
Fri 97 Moderate 97 22
Sat 71 Moderate 71 32
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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1363 J/kg
MLCAPE653 J/kg
MUCAPE1363 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.6
Kinematics
0–6 km Shear2 kt
0–1 km Shear3 kt
Eff. Shear3 kt
0–1 km SRH-14
0–3 km SRH-47
Eff. SRH-47
Storm Motion349° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index41.6
Thermo & Levels
PWAT1.59 in
0–3 km LR8.8 °C/km
700–500 LR5.7 °C/km
Total Totals47.8
LCL706 hPa
LFC893 hPa
EL154 hPa
Freezing Lvl14,104 ft