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: 4:59 PM CDT  ·  Refresh
42°C
Feels like 40°
Mostly Clear
▲ 48°  /  ▼ 29°
Wind
7 mph W
Humidity
14%
Dew Point
9°
Pressure
28.69 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
10%
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°
3%
3 PM
45°
3%
4 PM
48°
3%
5 PM
47°
3%
6 PM
46°
3%
7 PM
44°
3%
8 PM
43°
3%
9 PM
41°
3%
10 PM
40°
3%
11 PM
39°
5%
12 AM
36°
5%
1 AM
34°
5%
2 AM
34°
9%
3 AM
33°
9%
4 AM
31°
9%
5 AM
32°
9%
6 AM
32°
9%
7 AM
33°
5%
8 AM
33°
5%
9 AM
37°
5%
10 AM
38°
5%
11 AM
39°
5%
12 PM
39°
5%
1 PM
41°
6%
7-Day Forecast
Today
48° 29°
Partly Cloudy.
Wed
44° 31°
Mostly Clear.
Thu
47° 30°
Clear.
Fri
43° 28°
Partly Cloudy.
Sat
42° 24°
Clear.
Sun
39° 22°
Clear.
Mon
41° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 42° Mostly Clear 3% 7 mph W 14%
3 PM 45° Partly Cloudy 3% 8 mph W 13%
4 PM 48° Partly Cloudy 3% 9 mph W 13%
5 PM 47° Mostly Cloudy 3% 10 mph W 13%
6 PM 46° Mostly Cloudy 3% 10 mph W 13%
7 PM 44° Mostly Cloudy 3% 9 mph W 14%
8 PM 43° Mostly Cloudy 3% 9 mph W 15%
9 PM 41° Mostly Cloudy 3% 8 mph W 16%
10 PM 40° Mostly Cloudy 3% 8 mph W 18%
11 PM 39° Mostly Cloudy 5% 6 mph W 20%
12 AM 36° Mostly Cloudy 5% 6 mph WSW 21%
1 AM 34° Partly Cloudy 5% 6 mph W 24%
2 AM 34° Mostly Cloudy 9% 6 mph W 27%
3 AM 33° Partly Cloudy 9% 5 mph WSW 29%
4 AM 31° Clear 9% 4 mph WNW 30%
5 AM 32° Clear 9% 3 mph WNW 29%
6 AM 32° Mostly Clear 9% 4 mph W 27%
7 AM 33° Mostly Clear 5% 4 mph W 25%
8 AM 33° Mostly Clear 5% 5 mph W 23%
9 AM 37° Mostly Clear 5% 5 mph W 21%
10 AM 38° Partly Cloudy 5% 5 mph W 20%
11 AM 39° Mostly Clear 5% 6 mph WNW 18%
12 PM 39° Mostly Clear 5% 7 mph WNW 17%
1 PM 41° Mostly Clear 6% 8 mph WNW 16%
15-Day Forecast
Today
6/23
Partly Cloudy
5%
29°
48°
Wed
6/24
Mostly Clear
9%
31°
44°
Thu
6/25
Clear
8%
30°
47°
Fri
6/26
Partly Cloudy
7%
28°
43°
Sat
6/27
Clear
7%
24°
42°
Sun
6/28
Clear
7%
22°
39°
Mon
6/29
Clear
6%
23°
41°
Tue
6/30
Clear
32%
23°
41°
Wed
7/1
Clear
14%
23°
42°
Thu
7/2
Clear
19%
24°
41°
Fri
7/3
Clear
28%
24°
39°
Sat
7/4
Clear
32%
24°
44°
Sun
7/5
Clear
60%
24°
44°
Mon
7/6
Clear
60%
24°
43°
Tue
7/7
Drizzle
60%
24°
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, 20:00'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
SBCAPE300 J/kg
MLCAPE49 J/kg
MUCAPE300 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear13 kt
0–1 km Shear2 kt
Eff. Shear13 kt
0–1 km SRH-6
0–3 km SRH16
Eff. SRH16
Storm Motion141° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index27.8
Thermo & Levels
PWAT1.25 in
0–3 km LR9.1 °C/km
700–500 LR8.2 °C/km
Total Totals48.8
LCL605 hPa
LFC971 hPa
EL306 hPa
Freezing Lvl15,433 ft