Phoenix, Arizona Weather Conditions

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Excessive Heat Warning View All Alerts

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Current Conditions

  • 95°
  • Mostly Cloudy
  • Wind: East 8 mph
  • Humidity: 33%
  • Visibility: 10.0 miles
  • Dew Point: 62°
  • Pressure: 29.76 in. -
  • Heat Index: 96

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Click a section below for more information.

Next 12 Hours

5  am
8  am
11  am
2  pm
5  pm
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
91°
91°
102°
108°
109°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Thursday
  • Partly Cloudy
  • High: 111 °
  • Low: 90 °
  • Partly Cloudy
  • Friday
  • Partly Cloudy
  • High: 109 °
  • Low: 88 °
  • Partly Cloudy
  • Saturday
  • Chance of a Thunderstorm
  • High: 108 °
  • Low: 88 °
  • Chance of a Thunderstorm
  • Sunday
  • Mostly Cloudy
  • High: 109 °
  • Low: 91 °
  • Mostly Cloudy
  • Monday
  • Mostly Cloudy
  • High: 109 °
  • Low: 88 °
  • Mostly Cloudy

Forecast for Phoenix, Arizona

Updated: 2:00 AM MST on July 24, 2014

Excessive heat warning in effect until 8 PM MST this evening...
  • Thursday

    Partly cloudy. High of 111F. Winds from the SE at 5 to 15 mph.

  • Thursday Night

    Partly cloudy in the evening, then clear. Low of 90F. Winds less than 5 mph.

  • Friday

    Partly cloudy. High of 109F. Winds from the SW at 5 to 10 mph.

  • Friday Night

    Partly cloudy in the evening, then clear. Low of 88F. Winds from the WSW at 5 to 15 mph.

  • Saturday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 108F. Winds from the West at 5 to 10 mph. Chance of rain 20%.

  • Saturday Night

    Partly cloudy in the evening, then overcast with a chance of a thunderstorm and rain. Low of 88F with a heat index of 95F. Winds from the SSW at 5 to 20 mph shifting to the WSW after midnight. Chance of rain 40%.

  • Sunday

    Mostly cloudy in the morning, then overcast. High of 109F. Winds from the West at 5 to 15 mph.

  • Sunday Night

    Mostly cloudy with a chance of a thunderstorm and rain after midnight. Low of 91F. Winds from the SW at 5 to 15 mph. Chance of rain 20%.

  • Monday

    Overcast. High of 109F. Winds from the SW at 5 to 10 mph.

  • Monday Night

    Mostly cloudy with a chance of a thunderstorm. Low of 88F. Winds from the West at 5 to 15 mph. Chance of rain 20%.

  • Tuesday

    Mostly cloudy with a chance of a thunderstorm. High of 109F. Winds from the WSW at 5 to 15 mph. Chance of rain 20%.

  • Tuesday Night

    Mostly cloudy. Low of 91F. Winds from the West at 5 to 15 mph.

  • Wednesday

    Partly cloudy. High of 108F. Winds from the WSW at 5 to 15 mph.

  • Wednesday Night

    Partly cloudy. Low of 88F. Winds from the WSW at 5 to 15 mph.

  • Thursday

    Mostly cloudy. High of 104F. Winds from the WSW at 5 to 15 mph.

  • Thursday Night

    Clear with a chance of a thunderstorm. Low of 84F. Winds less than 5 mph. Chance of rain 40%.

  • Friday

    Mostly cloudy with a chance of a thunderstorm. High of 106F. Winds less than 5 mph. Chance of rain 20%.

  • Friday Night

    Mostly cloudy. Low of 86F. Winds less than 5 mph.

  • Saturday

    Partly cloudy with a chance of a thunderstorm. High of 106F. Winds less than 5 mph. Chance of rain 20%.

  • Saturday Night

    Partly cloudy with a chance of a thunderstorm. Low of 86F. Winds less than 5 mph. Chance of rain 20%.

  • Sunday

    Partly cloudy. High of 104F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 86F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Excessive Heat Warning  Statement as of 2:28 am PDT on July 24, 2014/


... Excessive heat warning remains in effect until 8 PM MST /8 PM
PDT/ this evening...

An excessive heat warning remains in effect until 8 PM MST /8 PM
PDT/ this evening.

* Affected area... the southwest and west-central deserts in
Arizona including Parker... Yuma... Tacna... Gila Bend. The
lower deserts in southeast California including the Imperial
Valley... and the cities of el centro and Blythe.

* Temperature... afternoon temperatures will range from 110 to 115
degrees across the lower deserts today. Overnight lows will be
very warm... in the upper 80s to low 90s at the warmest urban
sites.

* Impacts... exceedingly high temperatures can cause heat related
illness... including death... more easily than an average Summer
day. Those working or playing outdoors... and those without air
conditioning are most vulnerable. Even healthy individuals are
at risk in these conditions.

Precautionary/preparedness actions...

Never leave kids or pets unattended in cars. Drink more water
than usual and avoid alcohol... sugar... and caffeine. When
outdoors... wear light colored clothing and a wide-brimmed hat to
keep your head and body cooler. Take frequent rest breaks in
shaded or air conditioned environments. Public places with air
conditioning include libraries... community centers... government
buildings... malls... and special Refuge stations.

Recognize the signs and symptoms of heat illness. Early symptoms
include things such as headache... thirst... and muscle cramps.
Serious symptoms include weakness... skin that is cool to the
touch... fast but weak pulse... nausea... and fainting. Severe
symptoms include hot and red dry skin... fast and strong pulse...
sweating that has stopped... and unconsciousness. Untreated heat
illness can lead to fatal heat stroke.

Stay cool... stay hydrated... stay informed.



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 Record Report  Statement as of 01:28 am MST on July 24, 2014


... Record high temperature set at Yuma AZ...

A record high temperature of 117 degrees was set at Yuma AZ
yesterday. This breaks the old record of 115 set in 1959.




Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: MesoWest KENDAL AZ US UPR, Phoenix, AZ

Updated: 3:20 AM MST

Temperature: 108 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 99 °F Graphs

Location: Phoenix S of Christown, Phoenix, AZ

Updated: 5:18 AM MST

Temperature: 92.7 °F Dew Point: 65 °F Humidity: 40% Wind: Calm Pressure: 29.73 in Hourly Precipitation: 0.00 in Heat Index: 95 °F Graphs

Location: North Central Phoenix, Phoenix, AZ

Updated: 5:25 AM MST

Temperature: 89.2 °F Dew Point: 65 °F Humidity: 45% Wind: Calm Pressure: 29.70 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Phoenix, Phoenix, AZ

Updated: 5:13 AM MST

Temperature: 92.3 °F Dew Point: 65 °F Humidity: 41% Wind: Calm Pressure: 29.72 in Hourly Precipitation: 0.00 in Heat Index: 95 °F Graphs

Location: Werner Ent. Phoenix, Phoenix, AZ

Updated: 5:25 AM MST

Temperature: 93.1 °F Dew Point: 62 °F Humidity: 36% Wind: SW at 3.0 mph Pressure: 29.73 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Dateland Palms, Phoenix, AZ

Updated: 5:25 AM MST

Temperature: 91.8 °F Dew Point: 66 °F Humidity: 42% Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Arcadia, Phoenix, AZ

Updated: 5:25 AM MST

Temperature: 92.5 °F Dew Point: 62 °F Humidity: 37% Wind: West at 1.0 mph Pressure: 29.76 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: South Mountain, East, Phoenix, AZ

Updated: 5:24 AM MST

Temperature: 91.8 °F Dew Point: 64 °F Humidity: 40% Wind: NE at 2.2 mph Pressure: 29.87 in Hourly Precipitation: - Heat Index: 93 °F Graphs

Location: DDMET Tempe, AZ, Phoenix, AZ

Updated: 4:57 AM MST

Temperature: 92 °F Dew Point: 64 °F Humidity: 39% Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Down Stream Dam, Tempe, AZ

Updated: 5:25 AM PDT

Temperature: 91.6 °F Dew Point: 60 °F Humidity: 35% Wind: West at 1.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Spur Circle, Scottsdale, AZ

Updated: 5:25 AM MST

Temperature: 91.6 °F Dew Point: 64 °F Humidity: 41% Wind: Calm Pressure: 29.83 in Hourly Precipitation: - Heat Index: 94 °F Graphs

Location: Old Laveen, Arizona, AZ

Updated: 5:21 AM MST

Temperature: 89.4 °F Dew Point: 66 °F Humidity: 47% Wind: SSE at 3.7 mph Pressure: 29.70 in Hourly Precipitation: - Heat Index: 92 °F Graphs

Location: Down to Earth Enterprises, Tempe, AZ

Updated: 5:25 AM MST

Temperature: 92.5 °F Dew Point: 68 °F Humidity: 45% Wind: NNE at 2.0 mph Pressure: 29.72 in Hourly Precipitation: 0.00 in Heat Index: 97 °F Graphs

Location: Scottsdale - Old Town, Scottsdale, AZ

Updated: 5:13 AM MST

Temperature: 90.7 °F Dew Point: 64 °F Humidity: 41% Wind: NNE at 1.7 mph Pressure: 29.83 in Hourly Precipitation: - Heat Index: 92 °F Graphs

Location: Northern Palms, Phoenix, AZ

Updated: 5:25 AM MST

Temperature: 90.1 °F Dew Point: 65 °F Humidity: 43% Wind: Calm Pressure: 29.67 in Hourly Precipitation: 0.00 in Heat Index: 92 °F Graphs

Location: Elliot & I10, Ahwatukee, AZ

Updated: 5:13 AM MST

Temperature: 92.4 °F Dew Point: 64 °F Humidity: 39% Wind: NE at 1.0 mph Pressure: 29.83 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: 74th Street and McDowell Road, Scottsdale, AZ

Updated: 5:25 AM MST

Temperature: 90.3 °F Dew Point: 64 °F Humidity: 42% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 92 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Phoenix Arizona 
205 am MST Thursday Jul 24 2014 




Synopsis... 
a strong high pressure system is forecast to continue over the 
region through the end of the week...resulting in very hot 
temperatures through Friday. Sufficient moisture will be in place 
for at least a slight chance of thunderstorms on most days through 
the middle of next week...more so over the higher terrain of 
south-central Arizona. 


&& 


Discussion... 


Thursday... 
after a more active day on Wednesday and overnight...in spite of the 
excessive heat...a bit of a downtrend trend in convective activity 
seems to be in the cards for today. Somewhat drier air is expected 
to spread into the region behind the weak shortwave that triggered 
the thunderstorm activity over the region on Wednesday as the upper 
high center that has brought US the very hot weather the last few 
days repositions itself off to the east over nm. The reduction of 
the amount of cloud cover and drying of the lower levels of the 
atmosphere...along with another very warm start to the day (90f+ 
lows at many Lower Desert locations) is expected to allow enough 
warming to approach or reach excessive heat criteria across the 
lower deserts for one more day...in spite of some reduction of the 
500mb heights over the region...from 595-596dm yesterday to 
592-592dm today. Given the relocation of the main moisture plume to 
the west...it appears the best chance for any isolated thunderstorm 
activity today will be across western Pima County...perhaps 
extending into southwest Maricopa County and into eastern Yuma 
County. 


Friday through Saturday... 
slightly cooler afternoon temperatures are forecast for Friday as 
the upper-level high weakens a bit...and a little more monsoon 
moisture spreads into the region. A better threat for afternoon and 
evening convection is expected on Saturday as the upper high center 
shifts a little further east...allowing a deeper southeasterly flow 
to develop over the region...importing more moisture into the Desert 
Southwest. Another weak shortwave embedded in this flow appears that 
it will move into the region...further enhancing the convective 
activity as MUCAPES are pushed up into the 500-100 j/kg range. 
Thus...have decided to raise probability of precipitation over the region and lower maximum 
temperatures on that day. 


Sunday through Thursday... 
it appears that a low-middle grade monsoon will likely prevail through 
the extended period as weak southerly flow aloft continues to pull 
moisture into the region...but with the upper high center attempting 
to reposition itself westward back over the region...stabilizing the 
airmass somewhat and perhaps putting a bit of a lid on the 
convective activity. 


&& 


Climate... 


Record high temperature for the middle of the week. 


City July 24 July 25 
---- ------- ------- 
Phoenix 114 in 2006 115 in 1943 
Yuma 117 in 1943 120 in 1943 


&& 


Aviation... 
south-central Arizona including kphx...kiwa...and ksdl... 
isolated showers and thunderstorms over Phoenix metropolitan will continue 
through 06z before tapering off...leaving behind debris clouds with 
bases at or above 12 kft mean sea level. Anticipate east/southeast surface winds to 
continue overnight and well into the day Thursday. 


Southeast California and southwest Arizona including kipl and kblh... 
some debris clouds with bases at or above 12 kft mean sea level will expand over 
southwest Arizona after 06z and perhaps spread west of the the lower 
Colorado River. Surface winds will be light...favoring southwest 
directions this evening...trending light and variable toward morning 
before increasing and becoming mostly south Thursday afternoon. Just 
enough instability for isolated thunderstorms Thursday afternoon east of the 
lower Colorado River valley. 


Aviation discussion not updated for amended tafs. 


&& 


Fire weather... 
Saturday through Wednesday... 
slightly cooler afternoon high temperatures are expected through the 
period...as upper level high pressure weakens and slides further to 
the south. Even so...readings will still be slightly warmer than 
normal. An increase in moisture is possible as the high slips to the 
south...though minimum afternoon daily humidity levels will still 
dip below 20 percent. Overnight recovery should however be moderate 
to good. There will be a daily threat of thunderstorms...but these 
will be mainly concentrated in the higher terrain of eastern Arizona. 
Outflow boundaries moving into the lower deserts will be capable of 
producing strong wind gusts. Further west across southeast California...the chance 
for rain and thunderstorm impacts will be even lower. Winds to 
generally follow diurnal and terrain driven headings...with mostly 
light speeds. 


&& 


Psr watches/warnings/advisories... 


Arizona...excessive heat warning from Wednesday morning through Thursday 
evening azz020>023-025>028. 


California...excessive heat warning from Wednesday morning through Thursday 
evening caz031>033. 


&& 


$$ 


Visit US on facebook...twitter...and at weather.Gov/Phoenix 


Discussion...percha 
climate...percha 
aviation....aj 
fire weather...Nolte/McLane/Hirsch 










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