454
FNUS55 KPSR 260744
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1244 AM MST TUE MAY 26 2026
DISCUSSION
ELEVATED FIRE WEATHER CONDITIONS WILL AFFECT PORTIONS OF THE AREA
THIS AFTERNOON AND AGAIN ON WEDNESDAY AS WINDS INCREASE AND MINRHS
BETWEEN 10-20%. WIND GUSTS OF GREATER THAN 30 MPH WILL MAINLY
AFFECT LOCATIONS WITHIN SOUTHEAST CALIFORNIA WITH OTHER AREAS
BETWEEN 20-30 MPH. AFTER NEAR NORMAL TEMPERATURES TODAY, COOLER
CONDITIONS WILL MOVE IN STARTING WEDNESDAY, ESPECIALLY ACROSS THE
WESTERN DISTRICTS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-261945-
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-
1244 AM MST TUE MAY 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-18 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......12100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 13 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................59-69.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................36-54 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
EVENING BECOMING SOUTH 25 TO 35 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-93.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................14-25 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9900 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTH 23 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 82-92. SOUTH WINDS
10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 57-67. HIGHS 84-91. SOUTHWEST WINDS 5 TO
15 MPH.
SATURDAY
CLEAR. LOWS 60-70. HIGHS 90-96. SOUTHWEST WINDS 5 TO
10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 63-73. HIGHS 95-101.
MONDAY
CLEAR. LOWS 66-76. HIGHS 99-105.
AZZ131-CAZ231-261945-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1244 AM MST TUE MAY 26 2026 /1244 AM PDT TUE MAY 26 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-96.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........8800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................57-62.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................47-62 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-87.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................16-22 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7600 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 10 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
THURSDAY
CLEAR. LOWS 54-61. HIGHS 81-86. SOUTHWEST WINDS 10 TO
20 MPH.
FRIDAY
CLEAR. LOWS 56-64. HIGHS 85-90. WEST WINDS 5 TO 15 MPH.
SATURDAY
CLEAR. LOWS 60-68. HIGHS 92-97. SOUTHWEST WINDS 5 TO
10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 63-70. HIGHS 98-103.
MONDAY
CLEAR. LOWS 66-72. HIGHS 101-106.
AZZ133-261945-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1244 AM MST TUE MAY 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-92.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................49-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-44 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
EVENING BECOMING SOUTH 25 TO 35 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 49-63. HIGHS 78-91. SOUTH WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 48-64. HIGHS 75-89. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 48-66. HIGHS 79-93. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 50-69. HIGHS 84-97.
MONDAY
MOSTLY CLEAR. LOWS 53-72. HIGHS 86-101.
CAZ232-261945-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1244 AM PDT TUE MAY 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................84-94.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................10-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH IN THE
MORNING BECOMING 20 TO 30 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR. PATCHY BLOWING DUST IN THE
EVENING.
* MIN TEMPERATURE.................55-63.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................41-61 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-84.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................14-28 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
THURSDAY
CLEAR. LOWS 53-63. HIGHS 75-85. WEST WINDS 15 TO
25 MPH.
FRIDAY
CLEAR. LOWS 56-68. HIGHS 80-90. WEST WINDS 10 TO
20 MPH.
SATURDAY
CLEAR. LOWS 61-72. HIGHS 88-97. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 65-74. HIGHS 93-102.
MONDAY
CLEAR. LOWS 68-76. HIGHS 96-105.
CAZ230-261945-
JOSHUA TREE NATIONAL PARK-
1244 AM PDT TUE MAY 26 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................72-89.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................13-25 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH IN THE
MORNING BECOMING 20 TO 30 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................41-58.
* 24 HR TREND..................11 DEGREES COOLER.
* MAX HUMIDITY....................45-70 PCT.
* 24 HR TREND..................21 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................63-79.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................17-34 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
MORNING BECOMING 25 TO 35 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
THURSDAY
CLEAR. LOWS 39-59. HIGHS 65-80. WEST WINDS 10 TO
20 MPH.
FRIDAY
CLEAR. LOWS 44-64. HIGHS 71-84. WEST WINDS 5 TO 15 MPH.
SATURDAY
CLEAR. LOWS 52-69. HIGHS 78-92. WEST WINDS 5 TO
15 MPH.
SUNDAY
CLEAR. LOWS 57-71. HIGHS 83-96.
MONDAY
CLEAR. LOWS 61-72. HIGHS 86-99.
8 TO 10 DAY OUTLOOK
TUESDAY JUNE 2ND THROUGH THURSDAY JUNE
4TH: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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