Excessive Heat Watch 10:00 PM

New River Mesa, Maricopa County, Arizona, United States

Last updated: 6:10 PM CDT  ·  Refresh
33°C
Feels like 32°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
6 mph NE
Humidity
34%
Dew Point
15°
Pressure
26.35 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
14%
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 869 J/kg) — isolated convective development possible. Sunrise: 5:31AM · Sunset: 7:35PM.

Alerts

Excessive Heat Watch
Expires 10:00 PM
50 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
13%
5 PM
37°
9%
6 PM
36°
9%
7 PM
34°
11%
8 PM
33°
11%
9 PM
30°
11%
10 PM
29°
17%
11 PM
29°
17%
12 AM
29°
17%
1 AM
28°
4%
2 AM
28°
4%
3 AM
27°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
27°
3%
7 AM
28°
3%
8 AM
30°
3%
9 AM
31°
3%
10 AM
32°
5%
11 AM
34°
5%
12 PM
35°
5%
1 PM
36°
5%
2 PM
37°
5%
3 PM
38°
5%
7-Day Forecast
Today
37° 24°
Mostly Clear.
Thu
40° 26°
Clear.
Fri
43° 27°
Clear.
Sat
42° 27°
Mostly Clear.
Sun
39° 28°
Mostly Cloudy with a 25% chance of rain.
Mon
38° 25°
Rain, 78% chance.
Tue
37° 24°
Overcast with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 13% 6 mph NE 34%
5 PM 37° Clear 9% 6 mph WNW 33%
6 PM 36° Mostly Clear 9% 5 mph ENE 36%
7 PM 34° Mostly Clear 11% 5 mph NE 40%
8 PM 33° Mostly Clear 11% 6 mph ENE 44%
9 PM 30° Mostly Clear 11% 5 mph ENE 43%
10 PM 29° Mostly Clear 17% 4 mph ENE 43%
11 PM 29° Mostly Clear 17% 4 mph NE 43%
12 AM 29° Mostly Clear 17% 4 mph NE 44%
1 AM 28° Clear 4% 5 mph NE 45%
2 AM 28° Clear 4% 6 mph NE 46%
3 AM 27° Clear 3% 6 mph NE 48%
4 AM 27° Clear 3% 6 mph NE 50%
5 AM 26° Clear 3% 6 mph NE 52%
6 AM 27° Clear 3% 5 mph NE 49%
7 AM 28° Clear 3% 4 mph NE 46%
8 AM 30° Clear 3% 4 mph NE 42%
9 AM 31° Clear 3% 3 mph ENE 38%
10 AM 32° Clear 5% 3 mph ESE 35%
11 AM 34° Clear 5% 4 mph SSE 32%
12 PM 35° Clear 5% 4 mph S 31%
1 PM 36° Clear 5% 4 mph S 30%
2 PM 37° Mostly Clear 5% 5 mph S 28%
3 PM 38° Mostly Clear 5% 5 mph SSW 28%
15-Day Forecast
Today
7/22
Mostly Clear
17%
24°
37°
Thu
7/23
Clear
5%
26°
40°
Fri
7/24
Clear
3%
27°
43°
Sat
7/25
Mostly Clear
18%
27°
42°
Sun
7/26
Mostly Cloudy
25%
28°
39°
Mon
7/27
Rain
78%
25°
38°
Tue
7/28
Overcast
63%
24°
37°
Wed
7/29
Drizzle
60%
25°
38°
Thu
7/30
Drizzle
50%
26°
39°
Fri
7/31
Drizzle
45%
27°
40°
Sat
8/1
Drizzle
60%
26°
40°
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
Thu 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, 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
SBCAPE757 J/kg
MLCAPE51 J/kg
MUCAPE757 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear3 kt
0–1 km Shear4 kt
Eff. Shear3 kt
0–1 km SRH-17
0–3 km SRH-40
Eff. SRH-40
Storm Motion330° @ 14 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index37.8
Thermo & Levels
PWAT1.42 in
0–3 km LR8.9 °C/km
700–500 LR5.7 °C/km
Total Totals46.6
LCL687 hPa
LFC892 hPa
EL182 hPa
Freezing Lvl13,816 ft