Excessive Heat Warning — San Carlos, AZ, Palo Verde Valley, CA, 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, Imperial County Southwest, CA, Imperial County West, CA, Imperial Valley, CA 10:00 PM Excessive Heat Watch 10:00 PM

Phoenix, Arizona

Last updated: 6:18 PM CDT  ·  Refresh
42°C
Feels like 40°
Mostly Clear
▲ 47°  /  ▼ 29°
Wind
8 mph W
Humidity
13%
Dew Point
9°
Pressure
28.65 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
20%
Sunrise
5:19 AM
Sunset
7:41 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Phoenix is currently mostly clear at 42°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:19AM · Sunset: 7:41PM.

Alerts

Excessive Heat Warning
San Carlos, AZ, Palo Verde Valley, CA, 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, Imperial County Southwest, CA, Imperial County West, CA, Imperial Valley, CA
Expires 10:00 PM
Excessive Heat Watch
Expires 10:00 PM
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
42°
5%
5 PM
47°
5%
6 PM
46°
5%
7 PM
45°
3%
8 PM
44°
3%
9 PM
42°
3%
10 PM
41°
3%
11 PM
39°
3%
12 AM
38°
4%
1 AM
36°
5%
2 AM
34°
5%
3 AM
33°
8%
4 AM
32°
8%
5 AM
31°
8%
6 AM
32°
8%
7 AM
33°
8%
8 AM
34°
5%
9 AM
35°
5%
10 AM
36°
5%
11 AM
41°
5%
12 PM
42°
5%
1 PM
42°
5%
2 PM
43°
5%
3 PM
43°
5%
7-Day Forecast
Today
47° 29°
Partly Cloudy.
Wed
45° 31°
Partly Cloudy.
Thu
47° 31°
Clear.
Fri
43° 29°
Mostly Clear.
Sat
42° 27°
Clear.
Sun
39° 24°
Clear.
Mon
41° 25°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 42° Mostly Clear 5% 8 mph W 13%
5 PM 47° Mostly Cloudy 5% 8 mph W 13%
6 PM 46° Overcast 5% 9 mph W 13%
7 PM 45° Mostly Cloudy 3% 9 mph W 14%
8 PM 44° Partly Cloudy 3% 9 mph W 15%
9 PM 42° Partly Cloudy 3% 8 mph W 16%
10 PM 41° Partly Cloudy 3% 8 mph W 18%
11 PM 39° Mostly Cloudy 3% 8 mph W 19%
12 AM 38° Mostly Cloudy 4% 7 mph W 22%
1 AM 36° Mostly Cloudy 5% 6 mph W 25%
2 AM 34° Partly Cloudy 5% 6 mph WSW 27%
3 AM 33° Mostly Clear 8% 5 mph WSW 29%
4 AM 32° Mostly Clear 8% 4 mph W 31%
5 AM 31° Mostly Clear 8% 4 mph WSW 31%
6 AM 32° Mostly Clear 8% 4 mph WSW 30%
7 AM 33° Mostly Clear 8% 4 mph W 28%
8 AM 34° Partly Cloudy 5% 4 mph W 26%
9 AM 35° Partly Cloudy 5% 5 mph W 23%
10 AM 36° Partly Cloudy 5% 5 mph W 21%
11 AM 41° Partly Cloudy 5% 6 mph W 19%
12 PM 42° Partly Cloudy 5% 7 mph W 17%
1 PM 42° Partly Cloudy 5% 8 mph W 16%
2 PM 43° Partly Cloudy 5% 8 mph W 15%
3 PM 43° Partly Cloudy 5% 8 mph W 15%
15-Day Forecast
Today
6/23
Partly Cloudy
5%
29°
47°
Wed
6/24
Partly Cloudy
8%
31°
45°
Thu
6/25
Clear
12%
31°
47°
Fri
6/26
Mostly Clear
4%
29°
43°
Sat
6/27
Clear
4%
27°
42°
Sun
6/28
Clear
4%
24°
39°
Mon
6/29
Clear
4%
25°
41°
Tue
6/30
Clear
19%
25°
41°
Wed
7/1
Clear
6%
26°
42°
Thu
7/2
Clear
13%
25°
41°
Fri
7/3
Clear
21%
26°
40°
Sat
7/4
Clear
25%
30°
43°
Sun
7/5
Clear
53%
31°
44°
Mon
7/6
Clear
53%
31°
43°
Tue
7/7
Drizzle
53%
32°
43°
47
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
30 AQI 5.5 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 47 Good 47 30
Thu 44 Good 44 39
Fri 47 Good 47 34
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 Jun 23, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE267 J/kg
MLCAPE34 J/kg
MUCAPE267 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear12 kt
0–1 km Shear1 kt
Eff. Shear11 kt
0–1 km SRH-1
0–3 km SRH19
Eff. SRH19
Storm Motion142° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index25.6
Thermo & Levels
PWAT1.16 in
0–3 km LR9.0 °C/km
700–500 LR8.3 °C/km
Total Totals48.1
LCL603 hPa
LFC970 hPa
EL292 hPa
Freezing Lvl15,528 ft