Wind Advisory 13, NWS Phoenix, AZ

467 
WWUS75 KPSR 210453
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
953 PM PDT Mon Apr 20 2026

CAZ562-212300-
/O.CON.KPSR.WI.Y.0013.260421T2200Z-260422T1500Z/
Imperial County Southwest-
Including the cities of Mountain Spring
953 PM PDT Mon Apr 20 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM TUESDAY TO 8 AM PDT 
WEDNESDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Southwest corner of Imperial County.

* WHEN...From 3 PM Tuesday to 8 AM PDT Wednesday.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

286 
WWUS75 KPSR 210718
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1218 AM PDT Tue Apr 21 2026

CAZ560-212100-
/O.EXB.KPSR.WI.Y.0013.260421T2200Z-260422T0700Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
1218 AM PDT Tue Apr 21 2026

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT PDT 
TONIGHT...

* WHAT...West winds 25 to 35 mph with gusts up to 45 mph expected.

* WHERE...Western portion of Joshua Tree National Park.

* WHEN...From 3 PM this afternoon to midnight PDT tonight.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

CAZ562-212100-
/O.CON.KPSR.WI.Y.0013.260421T2200Z-260422T1500Z/
Imperial County Southwest-
Including the cities of Mountain Spring
1218 AM PDT Tue Apr 21 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 AM 
PDT WEDNESDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 55 mph expected.

* WHERE...Southwest corner of Imperial County.

* WHEN...From 3 PM this afternoon to 8 AM PDT Wednesday.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

MJS

829 
WWUS75 KPSR 212034
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
134 PM MST Tue Apr 21 2026

CAZ560-220700-
/O.CON.KPSR.WI.Y.0013.260421T2200Z-260422T0700Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
134 PM PDT Tue Apr 21 2026

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT
PDT TONIGHT...

* WHAT...West winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Western portion of Joshua Tree National Park.

* WHEN...From 3 PM this afternoon to midnight PDT tonight.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, 
  unsecured objects may become airborne. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles.

&&

$$

CAZ562-221500-
/O.CON.KPSR.WI.Y.0013.260421T2200Z-260422T1500Z/
Imperial County Southwest-
Including the city of Mountain Spring
134 PM PDT Tue Apr 21 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM PDT WEDNESDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 55 mph 
  expected.

* WHERE...Southwest corner of Imperial County.

* WHEN...From 3 PM this afternoon to 8 AM PDT Wednesday.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, 
  unsecured objects may become airborne. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles.

&&

$$

477 
WWUS75 KPSR 220017
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
517 PM PDT Tue Apr 21 2026

CAZ566-567-220700-
/O.EXA.KPSR.WI.Y.0013.000000T0000Z-260422T0700Z/
Imperial County West-Imperial Valley-
Including the cities of Salton City, Ocotillo, Coolidge Springs,
Coyote Wells, Winona, Brawley, Calexico, Plaster City, Alamorio,
and El Centro
517 PM PDT Tue Apr 21 2026

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western Imperial County, and Imperial Valley.

* WHEN...Until midnight PDT tonight.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

In addition, strong winds over desert areas could result in briefly 
lowered visibilities to well under a mile at times in blowing dust 
or blowing sand. Use extra caution.

&&

$$

CAZ560-220700-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-260422T0700Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
517 PM PDT Tue Apr 21 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western portion of Joshua Tree National Park.

* WHEN...Until midnight PDT tonight.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

CAZ562-221230-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-260422T1500Z/
Imperial County Southwest-
Including the cities of Mountain Spring
517 PM PDT Tue Apr 21 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT WEDNESDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Southwest corner of Imperial County.

* WHEN...Until 8 AM PDT Wednesday.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

666 
WWUS75 KPSR 220722
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1222 AM PDT Wed Apr 22 2026

CAZ560-566-567-220830-
/O.EXP.KPSR.WI.Y.0013.000000T0000Z-260422T0700Z/
Joshua Tree NP West-Imperial County West-Imperial Valley-
Including the cities of Alamorio, El Centro, Winona, Calexico,
Lost Horse-Keys Village, Salton City, Ocotillo, Coolidge Springs,
Brawley, Cottonwood Visitor, Plaster City, and Coyote Wells
1222 AM PDT Wed Apr 22 2026

...WIND ADVISORY HAS EXPIRED...

$$

CAZ562-221500-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-260422T1500Z/
Imperial County Southwest-
Including the cities of Mountain Spring
1222 AM PDT Wed Apr 22 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...West winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Southwest corner of Imperial County.

* WHEN...Until 8 AM PDT this morning.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, unsecured 
  objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between 30 and 
40 mph are expected, or wind gusts of between 40 and 58 mph. Winds 
this strong can make driving difficult, especially for high profile 
vehicles.

&&

$$

CK

Area Forecast Discussion
National Weather Service Phoenix AZ
1025 AM MST Mon Apr 20 2026

.UPDATE...18Z Aviation Discussion.

&&

.KEY MESSAGES...

- A broad ridge of high pressure encompassing the Desert Southwest
  will allow temperatures to hover around 5 to 10 degrees above
  daily normals through Tuesday.

- A weather system passing north of the region will result in
  periods of breezy to locally windy conditions and cooler
  temperatures during the latter half of this week.

&&

.SHORT TERM /TODAY THROUGH TUESDAY/...
Latest mid-lvl wv imagery and 500 mb streamline analysis reveals
a broad ridge encompassing much of the Intermountain West and
4-Corners region. Meanwhile, a deep cutoff low is approaching the
West Coast, brining abundant moisture and cloud cover to the Pac
NW and NorCal. Our region will remain under the influence of the
ridge today and to a lesser extent on Tuesday which will keep
temperatures in an above average category. A weak disturbance on
the western periphery of the ridge did bring extensive cloud cover
and some virga through the area yesterday, but this initial
shortwave is departing to the north and clouds are expected to
clear out this morning. Under presences of the ridge today, H8
temperatures will again reach 18-20C this afternoon. This will
translate to another round of highs in the mid 90s across the
lower deserts and low to mid 80s in the high terrain which is
around 8-10 degrees above normal for late April. Another weak
shortwave in southwesterly flow will translate through AZ late
today and will provide enough mid-lvl moisture and lift to
generate showers and even a few isold storms over N Arizona. There
is around a 10% chance of an isolated shower or storm over S Gila
County this afternoon, however the main focus will be farther N
along the Mogollon Rim. Elsewhere, tranquil weather conditions
will exist with much lighter winds across southcentral AZ.

On Tuesday, the aforementioned cutoff low off the coast of NorCal
will begin to move onshore. Ahead of this feature, southwesterly
flow will continue to strengthen over the western half of our
forecast area. The tightening of the H7-H5 gradient will lead to
breezy conditions, especially across SE California and SW Arizona
where gusts could reach 30-35 mph at times. Winds will be
strongest over the higher terrain and at ridgetop lvl, especially
in SW Imperial County where low end advisory winds will be
possible. As the upper-lvl trough continues to approach from the
west, 500 mb hghts will lower to around 573-575 dam for areas
along and west of the CO River Valley where highs will be slightly
cooler in the upper 80s and low 90s Tuesday afternoon. Areas
farther east including the lower deserts of southcentral AZ will
still be under the influence of the departing upper ridge and thus
highs will be warmer in the low to mid 90s.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
Deterministic and ensemble guidance are in good agreement that
the cutoff low over the West Coast will transition to an open wave
and progress through the Intermountain West from Wednesday into
Thursday. Negative hght anomalies from the passing system will
result in cooler temperatures (likely closer to seasonal levels,
in the mid 80s across the lower deserts) beginning on Wednesday.
Periods of breezy to locally windy conditions can also be
anticipated across the entire forecast area due to H7-H5 gradient
remaining compact. The most widespread breezy conditions look to
be on Wednesday and then stronger winds will transition to the
high terrain of eastern AZ on Thursday as the trough axis passes
through the region. Quasi-zonal flow aloft will return by Friday
and into next weekend ahead of another potential shortwave trough.
This will allow for a temporary boost in temperatures Friday and
Saturday before the next weather system and subsequent cooler
temperatures arrive on Sunday.

&&

.AVIATION...Updated at 1725Z.

South Central Arizona including KPHX, KIWA, KSDL, and KDVT:
No major aviation concerns are expected during the TAF period.
Winds will follow familiar diurnal trends, though it will take
longer than usual to achieve the afternoon/evening W'rly shift,
especially at KPHX where a S'rly component may be observed for
several hours. A brief window of marginal breeziness is shown
between 04-06Z this evening with gusts around 15-20kt, with those
higher readings favored at Sky Harbor. FEW mid-level clouds over
the high terrain will be present over the next several hours
before SCT-BKN high clouds move in overnight.

Southeast California/Southwest Arizona including KIPL and KBLH:
No major aviation concerns are expected during the next 24 hours.
KIPL will follow familiar spring time diurnal trends while KBLH
will see generally S'rly winds with some afternoon breezes near
20-25kt. Clear skies this afternoon will give way to SCT-BKN high
clouds tonight.

&&

.FIRE WEATHER...
A very progressive pattern with multiple dry weather systems
passing north of the region will result in breezy conditions and
periods of elevated fire weather throughout this week. During the
first half of the week, above normal temperatures and breezy
conditions combined with min RH values of 8-15% will result in
widespread elevated fire weather conditions, especially across the
western districts on Tuesday and the higher terrain of southcentral
AZ on Wednesday where gusts up 20-30 mph will be common. Breezy
and dry conditions will carry through the rest of this week and
into this weekend with relative humidity remaining at or below
15% each afternoon. Overnight recoveries will also vary through
the week, but remain mostly in the 30-50% range.

&&

.PSR WATCHES/WARNINGS/ADVISORIES...
AZ...None.
CA...None.
&&

SHORT TERM..Salerno
LONG TERM...Salerno
AVIATION...RW
FIRE WEATHER...Salerno