Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ

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776
FNUS55 KPSR 231917
FWFPSR

Fire Weather Planning Forecast for Southwest and South-Central
Arizona and Southeast California
National Weather Service Phoenix AZ
1217 PM MST Tue Sep 23 2025

.DISCUSSION...
Overall dry conditions will continue over the next few days with
temperatures running above normal for this time of year. Day-to-
day MinRH values will drop from 20-25% this afternoon to 15-20%
for Wednesday. Overnight recoveries will hold mostly steady over
the next couple nights with values between 35-55%. Winds will
follow familiar diurnal trends with typical afternoon upslope
breeziness.

...Thunderstorms imply gusty winds...

Note...Additional Fire Weather Forecast information can be found
in the Area Forecast Discussion. See product PHXAFDPSR.

AZZ132-240730-
West Central Deserts/Northwest Maricopa County/Greater Phoenix
Area/Southwest Deserts/Southwest Maricopa County/
Northwest and North-Central Pinal County-
Phoenix BLM/YUM BLM/CAZ-CRZ-
1217 PM MST Tue Sep 23 2025

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................96-102.
*    24 hr trend..................5 degrees warmer.
* Min Humidity....................23-29 pct.
*    24 hr trend..................8 pct drier.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the
  morning becoming northwest in the afternoon.
* Winds...10000 FT MSL............Southwest 5 to 15 mph in the
  morning becoming light and variable in the afternoon.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.
* Mixing Height for Phoenix.......6800 ft AGL.
* Transport Wind for Phoenix......West 5 knots.
* Dispersion for Phoenix..........Fair.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................75-85.
*    24 hr trend..................Little change.
* Max Humidity....................39-51 pct.
*    24 hr trend..................15 pct drier.
* Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the
  evening becoming northeast after midnight.
* Winds...10000 FT MSL............Light and variable in the evening
  becoming south 5 to 15 mph after midnight.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.WEDNESDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................99-106.
*    24 hr trend..................4 degrees warmer.
* Min Humidity....................16-21 pct.
*    24 hr trend..................7 pct drier.
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph.
* Winds...10000 FT MSL............South 5 to 15 mph in the morning
  becoming light and variable in the afternoon.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.
* Mixing Height for Phoenix.......6800 ft AGL.
* Transport Wind for Phoenix......South 3 knots.
* Dispersion for Phoenix..........Marginal.


.EXTENDED...
.THURSDAY...Mostly clear. Lows 70-82. Highs 99-106. South winds
5 to 15 mph.
.FRIDAY...Not as warm. Partly cloudy with chance of showers and
slight chance of thunderstorms. Lows 68-78. Highs 88-95.
Southeast winds 5 to 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows 66-76. Highs 84-92. Southeast winds
5 to 15 mph.
.SUNDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 66-76. Highs 85-92.
.MONDAY...Mostly clear. Lows 67-77. Highs 88-95.

$$

AZZ131-CAZ231-240730-
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
1217 PM MST Tue Sep 23 2025 /1217 PM PDT Tue Sep 23 2025/

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................97-102.
*    24 hr trend..................6 degrees warmer.
* Min Humidity....................25-30 pct.
*    24 hr trend..................8 pct drier.
* Winds - 20 foot...Slope/Valley..North 5 to 15 mph.
* Winds...10000 FT MSL............South 5 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.
* Mixing Height for Yuma..........7000 ft AGL.
* Transport Wind for Yuma.........Southwest 5 knots.
* Dispersion for Yuma.............Poor.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................74-82.
*    24 hr trend..................Little change.
* Max Humidity....................47-56 pct.
*    24 hr trend..................12 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening
  becoming north after midnight.
* Winds...10000 FT MSL............South 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.WEDNESDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................102-107.
*    24 hr trend..................4 degrees warmer.
* Min Humidity....................21-25 pct.
*    24 hr trend..................5 pct drier.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the
  morning becoming south in the afternoon.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.
* Mixing Height for Yuma..........7900 ft AGL.
* Transport Wind for Yuma.........South 6 knots.
* Dispersion for Yuma.............Fair.


.EXTENDED...
.THURSDAY...Clear. Lows 70-82. Highs 99-104. West winds 10 to
20 mph.
.FRIDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 69-74. Highs 90-95. Southwest winds 5 to
15 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 67-74. Highs 87-93. Southeast winds 5 to
15 mph.
.SUNDAY...Mostly clear. Lows 67-73. Highs 88-93.
.MONDAY...Mostly clear. Lows 68-75. Highs 91-96.

$$

AZZ133-240730-
Southern Gila County/Tonto National Forest Foothills-
Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/
CAZ-
1217 PM MST Tue Sep 23 2025

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................83-98.
*    24 hr trend..................4 degrees warmer.
* Min Humidity....................22-31 pct.
*    24 hr trend..................11 pct drier.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the
  morning becoming west in the afternoon.
* Winds...10000 FT MSL............West 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............4 percent.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................58-76.
*    24 hr trend..................Little change.
* Max Humidity....................34-53 pct.
*    24 hr trend..................26 pct drier.
* Winds - 20 foot...Slope/Valley..North 5 to 15 mph.
* Winds...10000 FT MSL............Light and variable.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............3 percent.

.WEDNESDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................85-101.
*    24 hr trend..................Little change.
* Min Humidity....................15-24 pct.
*    24 hr trend..................7 pct drier.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph in the
  morning becoming south 5 to 10 mph in the afternoon.
* Winds...10000 FT MSL............South 5 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............3 percent.


.EXTENDED...
.THURSDAY...Partly cloudy with chance of showers and
thunderstorms. Lows 57-77. Highs 84-100. Southeast winds 10 to
20 mph.
.FRIDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows 55-72. Highs 75-90. Southeast winds 5 to 15 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows 54-68. Highs 72-86. Southeast winds 5 to
15 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows 53-69. Highs 72-86.
.MONDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 53-70. Highs 74-89.

$$

CAZ232-240730-
Imperial County And Eastern Riverside County-
1217 PM PDT Tue Sep 23 2025

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................93-101.
*    24 hr trend..................5 degrees warmer.
* Min Humidity....................22-30 pct.
*    24 hr trend..................6 pct drier.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning
  becoming east in the afternoon.
* Winds...10000 FT MSL............Southeast 5 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................76-82.
*    24 hr trend..................Little change.
* Max Humidity....................38-58 pct.
*    24 hr trend..................5 pct drier.
* Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the
  evening becoming northwest after midnight.
* Winds...10000 FT MSL............Southeast 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.WEDNESDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................95-104.
*    24 hr trend..................3 degrees warmer.
* Min Humidity....................19-28 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning
  becoming southeast in the afternoon.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............1 percent.


.EXTENDED...
.THURSDAY...Clear. Lows 67-81. Highs 93-102. West winds 10 to
20 mph.
.FRIDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 67-74. Highs 85-94. West winds 5 to 15 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows 67-74. Highs 81-90. Southeast winds 5 to
15 mph.
.SUNDAY...Mostly clear. Lows 67-75. Highs 83-93.
.MONDAY...Mostly clear. Lows 68-76. Highs 86-95.

$$

CAZ230-240730-
Joshua Tree National Park-
1217 PM PDT Tue Sep 23 2025

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................83-95.
*    24 hr trend..................4 degrees warmer.
* Min Humidity....................25-31 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning
  becoming east in the afternoon.
* Winds...10000 FT MSL............Southeast 5 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................66-76.
*    24 hr trend..................Little change.
* Max Humidity....................43-52 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  evening becoming north after midnight.
* Winds...10000 FT MSL............Southeast 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.

.WEDNESDAY...
* Sky/weather.....................Sunny.
* Max Temperature.................84-97.
*    24 hr trend..................Little change.
* Min Humidity....................22-32 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning
  becoming southeast 5 to 15 mph in the afternoon.
* Winds...10000 FT MSL............South 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* Chance of Thunder...............2 percent.


.EXTENDED...
.THURSDAY...Clear. Lows 57-77. Highs 81-96. West winds 5 to
15 mph.
.FRIDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 57-70. Highs 76-88. Northwest winds 5 to
15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows 57-70. Highs 71-83. South winds
5 to 15 mph.
.SUNDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows 57-69. Highs 73-85.
.MONDAY...Mostly clear. Lows 59-69. Highs 76-89.

$$

.8 TO 10 DAY OUTLOOK...Tuesday September 30th through Thursday
October 2nd: Near normal temperatures and above median
precipitation.