359 
FNUS55 KPSR 262024
FWFPSR

Fire Weather Planning Forecast for Southwest and South-Central
Arizona and Southeast California
National Weather Service Phoenix AZ
124 PM MST Fri Sep 26 2025

.DISCUSSION...
Expect fairly widespread showers and thunderstorms, a few severe, 
across the eastern districts thorugh through this evening with 
strong outflow winds, hail, and heavy rainfall likely in some 
areas. MinRHs will range from 25-45% through the weekend. Outside 
of thunderstorm impacts, winds will be breezy at times with 
occasional gusts around 20-25 mph today. The slow-moving low 
pressure system impacting the region should continue to bring 
chances for wetting rains areawide on Saturday before drying 
conditions begin Sunday into early next week. Below normal 
temperatures will persist through at least Monday.

...Thunderstorms imply gusty winds...

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

AZZ132-270830-
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-
124 PM MST Fri Sep 26 2025

.TONIGHT...
* Sky/weather.....................Mostly clear. Slight chance of 
  thunderstorms in the evening. slight chance of showers . slight 
  chance of thunderstorms after midnight. 
* Min Temperature.................67-77. 
*    24 hr trend..................3 degrees cooler. 
* Max Humidity....................62-76 pct. 
*    24 hr trend..................11 pct wetter. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............Southeast 10 to 20 mph. 
* Chance of Precip................20 percent. 
* CWR (>= 0.10 IN)................0 percent west portion...20 
  percent east portion. 
* Chance of Thunder...............18 percent. 

.SATURDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  thunderstorms in the morning. chance of showers . chance of 
  thunderstorms in the afternoon. 
* Max Temperature.................83-90. 
*    24 hr trend..................4 degrees cooler. 
* Min Humidity....................33-43 pct. 
*    24 hr trend..................8 pct wetter. 
* Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. 
* Winds...10000 FT MSL............South 10 to 20 mph. 
* Chance of Precip................40 percent. 
* CWR (>= 0.10 IN)................40 percent west portion...20 
  percent east portion. 
* Chance of Thunder...............33 percent. 
* Mixing Height for Phoenix.......10200 ft AGL. 
* Transport Wind for Phoenix......South 9 knots. 
* Dispersion for Phoenix..........Very good. 

.SATURDAY NIGHT...
* Sky/weather.....................Partly cloudy. Chance of 
  thunderstorms in the evening. chance of showers . slight chance 
  of thunderstorms after midnight. 
* Min Temperature.................65-75. 
*    24 hr trend..................Little change. 
* Max Humidity....................67-83 pct. 
*    24 hr trend..................6 pct wetter. 
* Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening 
  becoming east after midnight. 
* Winds...10000 FT MSL............South 15 to 25 mph. 
* Chance of Precip................40 percent. 
* CWR (>= 0.10 IN)................30 percent west portion...10 
  percent east portion. 
* Chance of Thunder...............31 percent. 

.SUNDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  showers and thunderstorms . 
* Max Temperature.................82-89. 
*    24 hr trend..................Little change. 
* Min Humidity....................33-46 pct. 
*    24 hr trend..................Little RH change. 
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the 
  morning becoming south in the afternoon. 
* Winds...10000 FT MSL............Southwest 10 to 20 mph. 
* Chance of Precip................20 percent. 
* CWR (>= 0.10 IN)................20 percent west portion...10 
  percent east portion. 
* Chance of Thunder...............17 percent. 
* Mixing Height for Phoenix.......9700 ft AGL. 
* Transport Wind for Phoenix......Southwest 7 knots. 
* Dispersion for Phoenix..........Good. 


.EXTENDED...
.MONDAY...Mostly clear. Lows 65-75. Highs 86-93. Southeast winds
5 to 10 mph. 
.TUESDAY...Mostly clear. Lows 65-75. Highs 88-95. South winds
5 to 15 mph. 
.WEDNESDAY...Mostly clear. Lows 65-75. Highs 87-95. South winds
5 to 10 mph. 
.THURSDAY...Clear. Lows 65-75. Highs 90-97. 
.FRIDAY...Clear. Lows 66-76. Highs 92-98. 

$$

AZZ131-CAZ231-270830-
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
124 PM MST Fri Sep 26 2025 /124 PM PDT Fri Sep 26 2025/

.TONIGHT...
* Sky/weather.....................Partly cloudy. Slight chance of 
  showers and thunderstorms. 
* Min Temperature.................68-74. 
*    24 hr trend..................Little change. 
* Max Humidity....................64-83 pct. 
*    24 hr trend..................15 pct wetter. 
* Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening 
  becoming east after midnight. 
* Winds...10000 FT MSL............East 10 to 15 mph. 
* Chance of Precip................30 percent. 
* CWR (>= 0.10 IN)................0 percent. 
* Chance of Thunder...............23 percent. 

.SATURDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  thunderstorms in the morning. chance of showers . chance of 
  thunderstorms in the afternoon. 
* Max Temperature.................85-90. 
*    24 hr trend..................5 degrees cooler. 
* Min Humidity....................40-48 pct. 
*    24 hr trend..................18 pct wetter. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............South 10 to 15 mph. 
* Chance of Precip................50 percent. 
* CWR (>= 0.10 IN)................40 percent. 
* Chance of Thunder...............35 percent. 
* Mixing Height for Yuma..........9600 ft AGL. 
* Transport Wind for Yuma.........South 6 knots. 
* Dispersion for Yuma.............Good. 

.SATURDAY NIGHT...
* Sky/weather.....................Partly cloudy. Chance of 
  thunderstorms in the evening. chance of showers . slight chance 
  of thunderstorms after midnight. 
* Min Temperature.................67-72. 
*    24 hr trend..................Little change. 
* Max Humidity....................78-94 pct. 
*    24 hr trend..................13 pct wetter. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............Southwest 10 to 20 mph. 
* Chance of Precip................40 percent. 
* CWR (>= 0.10 IN)................20 percent. 
* Chance of Thunder...............29 percent. 

.SUNDAY...
* Sky/weather.....................Mostly sunny. Slight chance of 
  showers and thunderstorms. 
* Max Temperature.................86-91. 
*    24 hr trend..................Little change. 
* Min Humidity....................40-46 pct. 
*    24 hr trend..................Little RH change. 
* Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning 
  becoming south in the afternoon. 
* Winds...10000 FT MSL............West 10 to 20 mph. 
* Chance of Precip................20 percent. 
* CWR (>= 0.10 IN)................0 percent. 
* Chance of Thunder...............14 percent. 
* Mixing Height for Yuma..........7100 ft AGL. 
* Transport Wind for Yuma.........Southwest 4 knots. 
* Dispersion for Yuma.............Fair. 


.EXTENDED...
.MONDAY...Clear. Lows 67-72. Highs 89-94. South winds 5 to
10 mph. 
.TUESDAY...Mostly clear. Lows 63-71. Highs 89-94. South winds
5 to 15 mph. 
.WEDNESDAY...Mostly clear. Lows 63-69. Highs 88-93. Southwest
winds 5 to 10 mph. 
.THURSDAY...Clear. Lows 64-71. Highs 91-96. 
.FRIDAY...Clear. Lows 64-71. Highs 92-97. 

$$

AZZ133-270830-
Southern Gila County/Tonto National Forest Foothills-
Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/
CAZ-
124 PM MST Fri Sep 26 2025

.TONIGHT...
* Sky/weather.....................Mostly cloudy in the evening 
  becoming partly cloudy after midnight. Showers likely and chance 
  of thunderstorms in the evening becoming chance of showers and 
  slight chance of thunderstorms after midnight. 
* Min Temperature.................53-68. 
*    24 hr trend..................4 degrees cooler. 
* Max Humidity....................74-99 pct. 
*    24 hr trend..................5 pct wetter. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............South 15 to 25 mph. 
* Chance of Precip................70 percent. 
* CWR (>= 0.10 IN)................50 percent. 
* Chance of Thunder...............39 percent. 

.SATURDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  thunderstorms in the morning. chance of showers . chance of 
  thunderstorms in the afternoon. 
* Max Temperature.................70-85. 
*    24 hr trend..................3 degrees cooler. 
* Min Humidity....................37-52 pct. 
*    24 hr trend..................8 pct drier. 
* Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. 
* Winds...10000 FT MSL............South 15 to 25 mph. 
* Chance of Precip................50 percent. 
* CWR (>= 0.10 IN)................30 percent. 
* Chance of Thunder...............38 percent. 

.SATURDAY NIGHT...
* Sky/weather.....................Partly cloudy. Chance of 
  thunderstorms in the evening. chance of showers . slight chance 
  of thunderstorms after midnight. 
* Min Temperature.................53-67. 
*    24 hr trend..................Little change. 
* Max Humidity....................68-90 pct. 
*    24 hr trend..................6 pct drier. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............South 15 to 25 mph. 
* Chance of Precip................40 percent. 
* CWR (>= 0.10 IN)................20 percent. 
* Chance of Thunder...............31 percent. 

.SUNDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  showers and thunderstorms. 
* Max Temperature.................71-85. 
*    24 hr trend..................Little change. 
* Min Humidity....................33-46 pct. 
*    24 hr trend..................5 pct drier. 
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the 
  morning becoming southwest in the afternoon. 
* Winds...10000 FT MSL............South 15 to 25 mph in the morning 
  becoming southwest 5 to 15 mph in the afternoon. 
* Chance of Precip................20 percent. 
* CWR (>= 0.10 IN)................10 percent. 
* Chance of Thunder...............21 percent. 


.EXTENDED...
.MONDAY...Mostly clear. Lows 52-68. Highs 73-88. East winds 5 to
10 mph. 
.TUESDAY...Mostly clear. Lows 52-68. Highs 75-90. Southeast winds
5 to 15 mph. 
.WEDNESDAY...Clear. Lows 52-68. Highs 77-90. East winds 5 to
10 mph. 
.THURSDAY...Clear. Lows 53-69. Highs 79-93. 
.FRIDAY...Clear. Lows 53-69. Highs 80-94. 

$$

CAZ232-270830-
Imperial County And Eastern Riverside County-
124 PM PDT Fri Sep 26 2025

.TONIGHT...
* Sky/weather.....................Mostly clear. Slight chance of 
  showers and thunderstorms. 
* Min Temperature.................67-73. 
*    24 hr trend..................Little change. 
* Max Humidity....................61-74 pct. 
*    24 hr trend..................13 pct wetter. 
* Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening 
  becoming north after midnight. 
* Winds...10000 FT MSL............Northeast 10 to 20 mph. 
* Chance of Precip................30 percent. 
* CWR (>= 0.10 IN)................10 percent. 
* Chance of Thunder...............21 percent. 

.SATURDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  thunderstorms in the morning. chance of showers . chance of 
  thunderstorms in the afternoon. 
* Max Temperature.................79-89. 
*    24 hr trend..................5 degrees cooler. 
* Min Humidity....................34-49 pct. 
*    24 hr trend..................15 pct wetter. 
* Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. 
* Winds...10000 FT MSL............Southeast 5 to 15 mph. 
* Chance of Precip................40 percent. 
* CWR (>= 0.10 IN)................30 percent. 
* Chance of Thunder...............32 percent. 

.SATURDAY NIGHT...
* Sky/weather.....................Partly cloudy. Chance of showers 
  and slight chance of thunderstorms in the evening becoming slight 
  chance of showers after midnight. 
* Min Temperature.................66-72. 
*    24 hr trend..................Little change. 
* Max Humidity....................67-86 pct. 
*    24 hr trend..................10 pct wetter. 
* Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening 
  becoming north after midnight. 
* Winds...10000 FT MSL............West 10 to 15 mph. 
* Chance of Precip................30 percent. 
* CWR (>= 0.10 IN)................10 percent. 
* Chance of Thunder...............20 percent. 

.SUNDAY...
* Sky/weather.....................Mostly sunny. Slight chance of 
  showers . slight chance of thunderstorms in the afternoon. 
* Max Temperature.................81-91. 
*    24 hr trend..................Little change. 
* Min Humidity....................33-46 pct. 
*    24 hr trend..................Little RH change. 
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning 
  becoming south in the afternoon. 
* Winds...10000 FT MSL............West 10 to 20 mph. 
* Chance of Precip................10 percent. 
* CWR (>= 0.10 IN)................0 percent. 
* Chance of Thunder...............8 percent. 


.EXTENDED...
.MONDAY...Mostly clear. Lows 66-73. Highs 84-93. South winds 5 to
15 mph. 
.TUESDAY...Mostly clear. Lows 63-71. Highs 83-93. Southwest winds
5 to 15 mph. 
.WEDNESDAY...Mostly clear. Lows 63-71. Highs 83-92. West winds
5 to 15 mph. 
.THURSDAY...Clear. Lows 66-73. Highs 86-94. 
.FRIDAY...Clear. Lows 67-74. Highs 89-97. 

$$

CAZ230-270830-
Joshua Tree National Park-
124 PM PDT Fri Sep 26 2025

.TONIGHT...
* Sky/weather.....................Partly cloudy. Slight chance of 
  showers and thunderstorms . 
* Min Temperature.................58-69. 
*    24 hr trend..................Little change. 
* Max Humidity....................63-76 pct. 
*    24 hr trend..................10 pct wetter. 
* Winds - 20 foot...Slope/Valley..North 5 to 15 mph. 
* Winds...10000 FT MSL............Northeast 15 to 25 mph. 
* Chance of Precip................30 percent. 
* CWR (>= 0.10 IN)................10 percent. 
* Chance of Thunder...............21 percent. 

.SATURDAY...
* Sky/weather.....................Partly sunny. Slight chance of 
  showers and thunderstorms in the morning becoming chance of 
  showers and thunderstorms in the afternoon. 
* Max Temperature.................69-81. 
*    24 hr trend..................5 degrees cooler. 
* Min Humidity....................45-56 pct. 
*    24 hr trend..................18 pct wetter. 
* Winds - 20 foot...Slope/Valley..East 5 to 15 mph. 
* Winds...10000 FT MSL............East 5 to 15 mph in the morning 
  becoming light and variable in the afternoon. 
* Chance of Precip................50 percent. 
* CWR (>= 0.10 IN)................50 percent. 
* Chance of Thunder...............33 percent. 

.SATURDAY NIGHT...
* Sky/weather.....................Mostly clear. Slight chance of 
  showers and thunderstorms in the evening. 
* Min Temperature.................55-67. 
*    24 hr trend..................Little change. 
* Max Humidity....................72-87 pct. 
*    24 hr trend..................10 pct wetter. 
* Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the 
  evening becoming mostly downslope/downvalley after midnight. 
* Winds...10000 FT MSL............Light and variable in the evening 
  becoming northwest 5 to 15 mph after midnight. 
* Chance of Precip................20 percent in the evening 
  becoming 0 percent after midnight. 
* CWR (>= 0.10 IN)................10 percent. 
* Chance of Thunder...............17 percent. 

.SUNDAY...
* Sky/weather.....................Mostly sunny. Slight chance of 
  showers and thunderstorms in the afternoon. 
* Max Temperature.................71-84. 
*    24 hr trend..................Little change. 
* Min Humidity....................40-52 pct. 
*    24 hr trend..................4 pct drier. 
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph. 
* Winds...10000 FT MSL............Northwest 10 to 15 mph. 
* Chance of Precip................0 percent in the morning becoming 
  10 percent in the afternoon. 
* CWR (>= 0.10 IN)................0 percent. 
* Chance of Thunder...............10 percent. 


.EXTENDED...
.MONDAY...Mostly clear. Lows 54-69. Highs 73-86. Southwest winds
5 to 15 mph. 
.TUESDAY...Mostly clear. Lows 52-67. Highs 72-86. Southwest winds
5 to 15 mph. 
.WEDNESDAY...Mostly clear. Lows 52-66. Highs 73-85. West winds
5 to 10 mph. 
.THURSDAY...Clear. Lows 56-67. Highs 75-88. 
.FRIDAY...Clear. Lows 57-68. Highs 78-90. 

$$

.8 TO 10 DAY OUTLOOK...Saturday October 4th through Monday 
October 6th: Above normal temperatures and near median 
precipitation.