Severe Thunderstorm Warning — Maricopa County, AZ 12:15 AM Severe Thunderstorm Warning — Maricopa County, AZ 12:15 AM Severe Thunderstorm Warning — Maricopa County, AZ 12:45 AM Flash Flood Warning — Maricopa County, AZ 2:15 AM Flash Flood Warning — Maricopa County, AZ 3:15 AM Areal Flood Watch 7:00 AM

Phoenix, Arizona

Last updated: 12:08 AM CDT  ·  Refresh
32°C
Feels like 36°
Mostly Cloudy
▲ 40°  /  ▼ 29°
Wind
12 mph SSW
Humidity
52%
Dew Point
18°
Pressure
28.63 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
84%
Sunrise
6:00 AM
Sunset
6:55 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Phoenix is currently mostly cloudy at 32°C. Precipitation is likely — peak probability 66% around 11 PM. Atmospheric instability is elevated (CAPE up to 1420 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 6:55PM.

Alerts

Severe Thunderstorm Warning
Maricopa County, AZ
Expires 12:15 AM
Severe Thunderstorm Warning
Maricopa County, AZ
Expires 12:15 AM
Severe Thunderstorm Warning
Maricopa County, AZ
Expires 12:45 AM
Flash Flood Warning
Maricopa County, AZ
Expires 2:15 AM
Flash Flood Warning
Maricopa County, AZ
Expires 3:15 AM
Areal Flood Watch
Expires 7:00 AM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
38%
11 PM
31°
65%
12 AM
31°
55%
1 AM
32°
38%
2 AM
32°
38%
3 AM
32°
38%
4 AM
32°
41%
5 AM
29°
39%
6 AM
29°
44%
7 AM
29°
56%
8 AM
30°
39%
9 AM
31°
39%
10 AM
32°
35%
11 AM
33°
24%
12 PM
34°
28%
1 PM
36°
28%
2 PM
36°
34%
3 PM
36°
25%
4 PM
36°
22%
5 PM
39°
22%
6 PM
39°
37%
7 PM
39°
37%
8 PM
38°
38%
9 PM
34°
42%
7-Day Forecast
Tonight
40° 29°
Mostly Cloudy with a 38% chance of rain.
Mon
39° 29°
Mostly Clear with a 56% chance of rain.
Tue
42° 28°
Clear with a 22% chance of rain.
Wed
41° 29°
Mostly Clear with a 28% chance of rain.
Thu
39° 29°
Partly Cloudy with a 29% chance of rain.
Fri
37° 28°
Rain, 73% chance.
Sat
34° 27°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Cloudy 38% 12 mph SSW 52%
11 PM 31° Rain 65% 13 mph S 56%
12 AM 31° Heavy Rain 55% 12 mph E 56%
1 AM 32° Mostly Cloudy 38% 9 mph E 57%
2 AM 32° Partly Cloudy 38% 8 mph ESE 56%
3 AM 32° Partly Cloudy 38% 7 mph SE 56%
4 AM 32° Partly Cloudy 41% 6 mph SSE 56%
5 AM 29° Partly Cloudy 39% 5 mph SSE 57%
6 AM 29° Partly Cloudy 44% 4 mph SE 56%
7 AM 29° Partly Cloudy 56% 4 mph ESE 55%
8 AM 30° Partly Cloudy 39% 6 mph ESE 51%
9 AM 31° Partly Cloudy 39% 8 mph ESE 47%
10 AM 32° Mostly Clear 35% 9 mph ESE 45%
11 AM 33° Partly Cloudy 24% 10 mph ESE 43%
12 PM 34° Partly Cloudy 28% 9 mph ESE 42%
1 PM 36° Clear 28% 9 mph SE 42%
2 PM 36° Clear 34% 9 mph SE 40%
3 PM 36° Clear 25% 8 mph SE 40%
4 PM 36° Mostly Clear 22% 8 mph SE 38%
5 PM 39° Mostly Clear 22% 7 mph SE 38%
6 PM 39° Mostly Clear 37% 7 mph SE 39%
7 PM 39° Clear 37% 6 mph SE 39%
8 PM 38° Clear 38% 6 mph SE 41%
9 PM 34° Mostly Clear 42% 5 mph ESE 46%
15-Day Forecast
Today
8/30
Mostly Cloudy
38%
29°
40°
Mon
8/31
Mostly Clear
56%
29°
39°
Tue
9/1
Clear
22%
28°
42°
Wed
9/2
Mostly Clear
28%
29°
41°
Thu
9/3
Partly Cloudy
29%
29°
39°
Fri
9/4
Rain
73%
28°
37°
Sat
9/5
Rain
63%
27°
34°
Sun
9/6
Mostly Clear
57%
27°
39°
Mon
9/7
Drizzle
47%
28°
40°
Tue
9/8
Mostly Cloudy
34%
31°
42°
Wed
9/9
Clear
25%
32°
41°
Thu
9/10
Drizzle
60%
31°
40°
Fri
9/11
Clear
60%
31°
39°
Sat
9/12
Drizzle
60%
30°
38°
Sun
9/13
Drizzle
60%
30°
38°
48
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
48 AQI 8.7 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 41 48
Tue 46 Good 46 41
Wed 51 Moderate 51 41
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 Mon Aug 31, 03:00'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
SBCAPE1128 J/kg
MLCAPE1564 J/kg
MUCAPE2347 J/kg
SBCIN-300 J/kg
MLCIN-187 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear3 kt
0–1 km Shear6 kt
Eff. Shear5 kt
0–1 km SRH29
0–3 km SRH20
Eff. SRH-24
Storm Motion284° @ 17 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index46.1
Thermo & Levels
PWAT2.10 in
0–3 km LR7.5 °C/km
700–500 LR6.8 °C/km
Total Totals54.6
LCL792 hPa
LFC688 hPa
EL206 hPa
Freezing Lvl13,878 ft