Tempe, Arizona Weather Conditions

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Areal Flood Watch View All Alerts

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Current Conditions

  • 68°
  • Mostly Cloudy
  • Wind: West 7 mph
  • Humidity: 49%
  • Visibility: 10.0 miles
  • Dew Point: 48°
  • Pressure: 29.88 in. +

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Next 12 Hours

11  pm
2  am
5  am
8  am
11  am
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
66°
59°
57°
63°
61°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Monday
  • Chance of a Thunderstorm
  • High: 63 °
  • Low: 46 °
  • Chance of T-Storms
  • Tuesday
  • Chance of Rain
  • High: 66 °
  • Low: 50 °
  • Chance of Rain
  • Wednesday
  • Partly Cloudy
  • High: 68 °
  • Low: 50 °
  • Partly Cloudy
  • Thursday
  • Clear
  • High: 73 °
  • Low: 52 °
  • Clear
  • Friday
  • Clear
  • High: 72 °
  • Low: 54 °
  • Clear

Forecast for Tempe, Arizona

Updated: 8:00 PM MST on March 01, 2015

Flood Watch in effect from midnight tonight to 8 PM MST Monday...
  • Sunday

    Overcast with a chance of rain. High of 75F. Winds from the South at 5 to 15 mph. Chance of rain 60%.

  • Sunday Night

    Overcast with rain showers, then a chance of a thunderstorm and rain showers after midnight. Low of 55F. Winds from the South at 5 to 10 mph. Chance of rain 90% with rainfall amounts near 0.3 in. possible.

  • Monday

    Overcast with a chance of a thunderstorm and rain showers. High of 63F. Winds from the SW at 5 to 20 mph. Chance of rain 100% with rainfall amounts near 0.4 in. possible.

  • Monday Night

    Mostly cloudy with a chance of rain. Low of 46F. Winds from the ESE at 5 to 10 mph. Chance of rain 50%.

  • Tuesday

    Partly cloudy with a chance of rain. High of 66F. Winds less than 5 mph. Chance of rain 20%.

  • Tuesday Night

    Mostly cloudy with a chance of rain in the evening, then clear. Low of 50F. Winds less than 5 mph.

  • Wednesday

    Clear in the morning, then partly cloudy. High of 68F. Winds from the NNE at 5 to 10 mph.

  • Wednesday Night

    Clear. Low of 50F. Winds from the North at 5 to 15 mph.

  • Thursday

    Clear. High of 73F. Winds from the ENE at 10 to 15 mph.

  • Thursday Night

    Clear. Low of 52F. Winds from the NE at 10 to 15 mph.

  • Friday

    Clear. High of 72F. Winds from the ENE at 5 to 10 mph.

  • Friday Night

    Clear. Low of 54F. Winds from the North at 5 to 10 mph.

  • Saturday

    Clear. High of 77F. Winds from the NE at 5 to 10 mph shifting to the NW in the afternoon.

  • Saturday Night

    Clear. Low of 57F. Winds less than 5 mph.

  • Sunday

    Clear. High of 79F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 54F. Winds less than 5 mph.

  • Monday

    Clear. High of 79F. Winds less than 5 mph.

  • Monday Night

    Clear. Low of 55F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 81F. Winds less than 5 mph.

  • Tuesday Night

    Clear. Low of 57F. Winds less than 5 mph.

  • Wednesday

    Clear. High of 81F. Winds less than 5 mph.

  • Wednesday Night

    Clear. Low of 61F. Winds less than 5 mph.

  • Thursday

    Clear. High of 79F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Areal Flood Watch  Statement as of 11:10 am MST on March 1, 2015


... Flood Watch now in effect from midnight tonight through 8 PM Monday
evening...

The Flood Watch is now in effect for

* portions of east-central Arizona and south-central Arizona...
including the following areas... in east-central Arizona... southern
Gila County/Tonto National Forest foothills. In south-central
Arizona... greater Phoenix area and northwest Maricopa County.

* From late tonight through Monday evening

* anticipate widespread significant rainfall to begin overnight
tonight and continue through much of the day Monday before tapering
off from west to east Monday evening. Rainfall amounts will
generally range from 0.75 inches to 1.25 inches over northern
Maricopa and southern Gila counties... with isolated areas closer to
2 inches possible in the mountains north and east of Metro Phoenix.

* Rainfall is expected to be sufficient to eventually produce
significant runoff in at least some of the normally dry washes
creating potentially dangerous conditions at unbridged crossings.
Other low lying flood prone areas will likely see some inundation.
Affected washes include but are not limited to... New River... skunk
creek... Cave Creek... Camp Creek... Sycamore Creek... tonto
creek... Pinal creek... Pinto creek... Hassayampa river... sols
wash... Martinez creek. Rural roads and portions of some highways
will likely be affected. Portions of some highways prone to Rock
Falls including highways 60... 77... and 87 may be affected.

Precautionary/preparedness actions...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible flood
warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.


Stay up-to-date on the latest forecasts by listening to weather radio
on the public service band. More detailed information is available
from the National Weather Service in Phoenix on the internet at

Weather.Gov/Phoenix






Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: University Heights, Tempe, AZ

Updated: 9:56 PM MST

Temperature: 68.9 °F Dew Point: 49 °F Humidity: 48% Wind: North at - Pressure: 31.03 in Hourly Precipitation: - Graphs

Location: Apache Boulevard, Tempe, AZ

Updated: 9:56 PM MST

Temperature: 68.4 °F Dew Point: 48 °F Humidity: 47% Wind: North at - Pressure: 28.48 in Hourly Precipitation: - Graphs

Location: APRSWXNET Tempe AZ US, Tempe, AZ

Updated: 9:22 PM MST

Temperature: 67 °F Dew Point: 48 °F Humidity: 50% Wind: WSW at 1 mph Pressure: 30.14 in Hourly Precipitation: 0.00 in Graphs

Location: East Minton Drive, Tempe, AZ

Updated: 9:56 PM MST

Temperature: 64.6 °F Dew Point: 48 °F Humidity: 54% Wind: North at - Pressure: 29.80 in Hourly Precipitation: - Graphs

Location: Bradley Estates, Tempe, AZ

Updated: 9:55 PM MST

Temperature: 63.6 °F Dew Point: 48 °F Humidity: 58% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Graphs

Location: D'Amore Engineering, Tempe, AZ

Updated: 9:59 PM MST

Temperature: 64.6 °F Dew Point: 48 °F Humidity: 55% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Graphs

Location: Down Stream Dam, Tempe, AZ

Updated: 8:55 PM PST

Temperature: 65.5 °F Dew Point: 46 °F Humidity: 50% Wind: Calm Pressure: 30.03 in Hourly Precipitation: 0.00 in Graphs

Location: Mesa, AZ, Mesa, AZ

Updated: 9:55 PM MST

Temperature: 61.9 °F Dew Point: 46 °F Humidity: 57% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Graphs

Location: CVE III, Tempe, AZ

Updated: 9:59 PM MST

Temperature: 63.3 °F Dew Point: 48 °F Humidity: 58% Wind: Calm Pressure: 29.88 in Hourly Precipitation: 0.00 in Graphs

Location: Main and Dobson, Mesa, AZ

Updated: 9:39 PM MST

Temperature: 66.4 °F Dew Point: 46 °F Humidity: 47% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Graphs

Location: Down to Earth Enterprises, Tempe, AZ

Updated: 9:55 PM MST

Temperature: 64.8 °F Dew Point: 50 °F Humidity: 59% Wind: SW at 1.0 mph Pressure: 29.85 in Hourly Precipitation: 0.00 in Graphs

Location: Rural / Guadalupe, Tempe, AZ

Updated: 9:58 PM MST

Temperature: 61.0 °F Dew Point: 49 °F Humidity: 65% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Graphs

Location: Mesa Grande, Tempe, AZ

Updated: 9:56 PM MST

Temperature: 68.9 °F Dew Point: 48 °F Humidity: 46% Wind: North at - Pressure: 29.89 in Hourly Precipitation: - Graphs

Location: Mesa, AZ

Updated: 9:44 PM MST

Temperature: 65.6 °F Dew Point: 48 °F Humidity: 53% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Graphs

Location: Phoenix, Phoenix, AZ

Updated: 9:47 PM MST

Temperature: 64.1 °F Dew Point: 49 °F Humidity: 59% Wind: Calm Pressure: 29.83 in Hourly Precipitation: 0.00 in Graphs

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

Updated: 9:58 PM MST

Temperature: 64.4 °F Dew Point: 52 °F Humidity: 65% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Graphs

Location: W 1st St.@ Date St., Mesa, AZ

Updated: 9:59 PM MST

Temperature: 63.5 °F Dew Point: 47 °F Humidity: 54% Wind: Calm Pressure: 29.92 in Hourly Precipitation: 0.00 in Graphs

Location: South Mountain, East, Phoenix, AZ

Updated: 9:46 PM MST

Temperature: 64.2 °F Dew Point: 50 °F Humidity: 60% Wind: Calm Pressure: 29.94 in Hourly Precipitation: - Graphs

Location: Elliot & I10, Ahwatukee, AZ

Updated: 8:05 PM MST

Temperature: 68.2 °F Dew Point: 47 °F Humidity: 47% Wind: SW at 5.0 mph Pressure: 29.95 in Hourly Precipitation: 0.00 in Graphs

Location: APRSWXNET Mesa AZ US, Mesa, AZ

Updated: 9:28 PM MST

Temperature: 65 °F Dew Point: 46 °F Humidity: 50% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Graphs

Location: Heard Ranch, Phoenix, AZ

Updated: 9:50 PM MST

Temperature: 60.8 °F Dew Point: 48 °F Humidity: 62% Wind: Calm Pressure: 29.83 in Hourly Precipitation: - Graphs

Location: East Greentree Drive, Tempe, AZ

Updated: 9:56 PM MST

Temperature: 63.5 °F Dew Point: 48 °F Humidity: 56% Wind: North at - Pressure: 29.99 in Hourly Precipitation: - Graphs

Location: Sherwood Estates, Scottsdale, AZ

Updated: 9:58 PM MST

Temperature: 61.2 °F Dew Point: 49 °F Humidity: 65% Wind: Calm Pressure: 28.58 in Hourly Precipitation: 0.00 in Graphs

Location: Alta Mira, Tempe, AZ

Updated: 9:59 PM MST

Temperature: 63.5 °F Dew Point: 48 °F Humidity: 57% Wind: East at 1.2 mph Pressure: 29.96 in Hourly Precipitation: 0.00 in Graphs

Location: Cambridge Ave., Phoenix, AZ

Updated: 9:58 PM MST

Temperature: 61.3 °F Dew Point: 46 °F Humidity: 58% Wind: Calm Pressure: 29.96 in Hourly Precipitation: - Graphs

Location: AZCC, Phoenix, AZ

Updated: 9:59 PM MST

Temperature: 62.3 °F Dew Point: 47 °F Humidity: 58% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Graphs

Location: SE Corner Alma School, Chandler, AZ

Updated: 9:46 PM MST

Temperature: 59.7 °F Dew Point: 45 °F Humidity: 59% Wind: Calm Pressure: 29.77 in Hourly Precipitation: - Graphs

Location: West Straford Drive, Mesa, AZ

Updated: 9:56 PM MST

Temperature: 66.2 °F Dew Point: 48 °F Humidity: 51% Wind: North at - Pressure: 29.62 in Hourly Precipitation: 0.00 in Graphs

Location: Scottsdale - Old Town, Scottsdale, AZ

Updated: 9:46 PM MST

Temperature: 64.4 °F Dew Point: 48 °F Humidity: 56% Wind: Calm Pressure: 29.91 in Hourly Precipitation: - Graphs

Location: Warner Ranch Phase, Chandler, AZ

Updated: 9:56 PM MST

Temperature: 67.6 °F Dew Point: 49 °F Humidity: 51% Wind: North at - Pressure: 29.78 in Hourly Precipitation: 0.00 in Graphs

Location: Warner Ranch, Chandler, AZ

Updated: 9:43 PM MST

Temperature: 68.0 °F Dew Point: 48 °F Humidity: 50% Wind: North at - Pressure: 29.77 in Hourly Precipitation: - Graphs

Location: Warner Ranch, Chandler, AZ

Updated: 9:55 PM MST

Temperature: 62.3 °F Dew Point: 49 °F Humidity: 61% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Graphs

Location: Park Promenade, Chandler, AZ

Updated: 9:50 PM MST

Temperature: 61.9 °F Dew Point: 49 °F Humidity: 62% Wind: Calm Pressure: 29.92 in Hourly Precipitation: - Graphs

Location: Spur Circle, Scottsdale, AZ

Updated: 9:58 PM MST

Temperature: 61.5 °F Dew Point: 49 °F Humidity: 64% Wind: Calm Pressure: 30.02 in Hourly Precipitation: - Graphs

Location: Beeline, Mesa, AZ

Updated: 9:59 PM MST

Temperature: 64.9 °F Dew Point: 47 °F Humidity: 53% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion ... 
National Weather Service Phoenix Arizona 
830 PM MST sun Mar 1 2015 


..potential for heavy rain affecting the southwest and south 
central Arizona deserts through late Monday... 


&& 


Synopsis... 
widespread precipitation will expand from southeast California into 
Arizona tonight and slowly shift eastward during the day Monday. 
Periods of moderate to heavy rain are anticipated...especially over 
higher terrain and foothill locations. There will also be a slight 
chance of thunderstorms during the day Monday...mainly over portions 
of Arizona. Cooler temperatures will also accompany this system with 
below normal readings expected Monday through middle week. A return to 
above normal temperatures is likely by late week. 


&& 


Discussion... 
the cold upper trough that had been developing slowly south along the 
central and Southern California coast the past 36 hours...and has been 
slowly circulating appreciable amounts of low level moisture into 
the region...has begun to kick inland this evening. Sat imagery 
showed a well defined kicker trough moving rapidly south through the 
Pacific northwest under northerly flow aloft. 


As a result...regional upper air data showed a profoundly sharp 
baroclinic zone across Southern California/southern Nevada that has backed 
and increased the winds aloft since morning. 700 mb winds along the 
Colorado River were nearly south at 40 knots while 300 mb winds were 
were southwest 100-120 knots and difluent. Also...more boundary 
layer moisture has transported north along the frontal zone and 
currently focused in southeast California/Colorado River where fast moving 
bands of precipitation have increased the past few hours. 


Therefore as the cold dynamical system moves inland from offshore 
Southern California/northern Baja California tonight...an upswing in precipitation is 
expected. Precipitation will focus along the Colorado River by midnight... 
moving into southwest Arizona by 12z Monday...then into central Arizona including 
Phoenix by 18z Monday. Since southerly low level winds are fairly 
strong...enhanced upslope precipitation will be a big factor in the 
potential for heavy rain and runoff. The Flash Flood Watch through 
Monday...focused in the upslope areas of southwest and south central 
Arizona where mountain washes drain south into the lower deserts looks 
good for now. A quick look at some of the office warm collision 
coalescence rain studies indicate the potential for 0.50-0.60 inches 
on the lower central deserts to nearly 2 inches in the mountains and 
foothills northwest through east of Phoenix Monday. 


Current forecasts look in good shape with high precipitation probabilities 
and the potential for heavy rain. No updates planned. Previous 
discussion below still applies. 






Previous discussion...302 PM MST... 


Rest of today through Wednesday... 
showers have moved over our southeast California zones today. 
Isolated showers have started to develop elsewhere including the 
Phoenix area. Made some earlier changes to the forecast to expand 
the areal Flood Watch to southeast California. The other main change 
included another timing adjustment for south-central 
Arizona...including the Phoenix area...for a later start and end. In 
short...anticipate a slow runoff response to the rainfall but expect 
there will be washes with sufficient flow to cause dangerous 
conditions at some of the unbridged crossings. There will be some 
Highway dips and other low lying areas that will see some inundation 
as well. The main precipitation mechanisms within the low pressure system 
are the frontal zone...currently extending southwestward from the 
Mohave desert...and dynamical forcing from some diffluence related 
upper level divergence...mainly northwest Arizona...as well as qg 
forcing from the vorticity and warm air advection. There will also 
be some influence from the right entrance region of the jet for 
tomorrow. The front is anticipated to move through the Phoenix area 
late morning/midday with precipitation trending down from west to east over 
the lower deserts of Arizona in Monday afternoon...continuing higher 
terrain. The models are in generally good agreement on the timing 
and placement of these features though the GFS is a bit more 
generous with the qg forcing than NAM while European model (ecmwf) is a bit slower 
with the onset and departure of precipitation than NAM and GFS. See the 
Flood Watch for details on the timing and precipitation amounts. The 
upstream system that will be helping to move this main one along is 
currently centered near the Alaska/Canada border. It will rapidly 
move down the coast Monday and then into northwest Mexico Tuesday. 
Meanwhile another short wave tracks through the Great Basin. 
Our forecast area will largely be between these features but they 
will cause US to keep a lingering slight chance going...mainly over 
south-central Arizona. A much weaker short wave is advertised to 
slide down from the north on Wednesday for slight chances limited to 
the higher terrain of south-central Arizona. Snow levels drop to near 
5000 feet...initially over southeast California Monday morning then 
eastward to south-central Arizona by early Monday evening. The 
precipitation will largely be over by the time the snow levels get that low 
and thus no notable accumulations for our area...perhaps a dusting. 
Made a number of tweaks to the pop/quantitative precipitation forecast grids but no major 
alterations from previous package. As for temperatures...anticipate 
little change over southeast California Monday since they have 
already been getting precipitation. It will be much cooler though east of 
the lower Colorado River valley...especially south-central Arizona. 
In fact...Phoenix area high temperature Monday may occur before sunrise 
with afternoon peak in the 50s. With the follow on disturbances 
Tuesday and Wednesday...temperatures will be slow to warm up the first half 
of the week. 


From middle-week Onward...ridging will take hold across the region and 
consequently temperatures will also climb back above normal by late 
week into the weekend. 


&& 


Aviation... 
south-central Arizona including kphx...kiwa and ksdl... 
a moist cold front approaching for Monday morning. Clouds and 
showers will slowly increase after 08z Monday...reaching a peak around 
18z Monday. As a result...broken clouds between 6-8 thousand above ground level through 15z 
Monday...then lowering to near 2 thousand broken in moderate rain at times 
between 15z and 21z Monday. South wind 6 to 8 knots...becoming gusty 
near 20 knots around 17z with showers. 




Southeast California and southwest Arizona including kipl and kblh... 
a moist cold front moving through the area between 07z-12z Monday. As 
a result...occasional MVFR conditions in clouds and rain. Ceilings near 
3 thousand above ground level with occasional moderate rain through 11z...clouds 
lifting and rain ending after 13z Monday. 


Aviation discussion not updated for amended tafs. 


&& 


Fire weather... 
Tuesday through Saturday... 
cool and still relatively moist conditions will be present on 
Tuesday with lingering rain chances across south-central Arizona. 
Weak high pressure and drying conditions will move in starting 
Wednesday. Temperatures will warm back toward normals by Thursday 
and then a few degrees above normal for Friday and Saturday. Winds 
will be relatively light through the period...but afternoon 
breeziness is expected on Wednesday through Friday. Minimum 
humidities will drop into the 20s on Wednesday and then into the 
teens each afternoon starting Thursday. 


&& 


Psr watches/warnings/advisories... 


Arizona...Flood Watch from 5 PM today through 5 PM Monday azz020>021. 
Flood Watch from midnight tonight through 8 PM Monday 
azz022>024. 


California...Flood Watch until 12 PM Monday caz031>033. 


&& 


$$ 


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


Discussion...vasquez/aj/leins 
aviation...vasquez 
fire weather...Kuhlman 



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