017
FNUS55 KPSR 252031
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
131 PM MST SAT APR 25 2026
DISCUSSION
COOLER THAN NORMAL TEMPERATURES ALONG WITH BREEZY TO WINDY
CONDITIONS WILL BE COMMON ACROSS THE REGION THROUGH THE WEEKEND.
HIGHEST GUSTS OVER THE NEXT FEW DAYS WILL BE FOCUSED OVER THE
WESTERN DISTRICTS TONIGHT INTO SUNDAY MORNING, WITH READINGS
RANGING BETWEEN 35-50 MPH. ENHANCED BREEZINESS WILL LINGER INTO
SUNDAY, THIS TIME MORE WIDESPREAD, WITH GUSTS GENERALLY BETWEEN
25-35 MPH. MINRH VALUES WILL HOVER NEAR 15-25% WITH DECENT TO GOOD
OVERNIGHT RECOVERY AS MAXRHS SIT BETWEEN 40-65%. RELATIVELY HIGH
HUMIDITY VALUES WILL KEEP FIRE WEATHER CONDITIONS LIMITED,
ELEVATED TO POTENTIALLY NEAR CRITICAL THRESHOLDS CANNOT BE RULED
OUT DUE TO THE STRONG WINDS.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-260845-
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-
131 PM MST SAT APR 25 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................52-62.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................49-68 PCT.
* 24 HR TREND..................15 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-80.
* 24 HR TREND..................7 DEGREES COOLER.
* MIN HUMIDITY....................21-26 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 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......WEST 23 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................47-57.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................50-70 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-82.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-19 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 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.
* MIXING HEIGHT FOR PHOENIX.......9400 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 13 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 49-64. HIGHS 83-89. WEST WINDS 5 TO
10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
PARTLY CLOUDY. LOWS 57-67. HIGHS 85-90. SOUTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
56-66. HIGHS 80-87. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 56-67. HIGHS 87-94.
SATURDAY
MOSTLY CLEAR. LOWS 61-71. HIGHS 92-98.
AZZ131-CAZ231-260845-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
131 PM MST SAT APR 25 2026 /131 PM PDT SAT APR 25 2026/
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR. PATCHY BLOWING DUST
IN THE EVENING.
* MIN TEMPERATURE.................53-58.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................59-75 PCT.
* 24 HR TREND..................18 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-80.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................22-26 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 30 TO 40 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.
* MIXING HEIGHT FOR YUMA..........9100 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 20 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................48-53.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................61-80 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........8000 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 9 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 50-63. HIGHS 84-89. WEST WINDS 5 TO
10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
PARTLY CLOUDY. LOWS 56-63. HIGHS 87-92. SOUTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
PARTLY CLOUDY. LOWS 57-63. HIGHS 84-89. WEST WINDS
5 TO 15 MPH.
FRIDAY
CLEAR. LOWS 57-66. HIGHS 92-97.
SATURDAY
MOSTLY CLEAR. LOWS 62-69. HIGHS 95-100.
AZZ133-260845-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
131 PM MST SAT APR 25 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.................45-59.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................49-65 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH IN THE
EVENING BECOMING 35 TO 45 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT IN THE EVENING BECOMING
10 PERCENT AFTER MIDNIGHT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................61-75.
* 24 HR TREND..................7 DEGREES COOLER.
* MIN HUMIDITY....................20-30 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 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...............3 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................37-51.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................48-67 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* 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.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-78.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................13-20 PCT.
* 24 HR TREND..................9 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 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.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 38-60. HIGHS 71-85. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
45-61. HIGHS 72-85. SOUTHEAST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 42-61. HIGHS 66-81. SOUTHWEST WINDS
5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 42-62. HIGHS 72-86.
SATURDAY
MOSTLY CLEAR. LOWS 46-67. HIGHS 75-92.
CAZ232-260845-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
131 PM PDT SAT APR 25 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY IN THE EVENING
BECOMING CLEAR AFTER MIDNIGHT. PATCHY BLOWING DUST IN THE
EVENING. SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* MIN TEMPERATURE.................52-60.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................53-69 PCT.
* 24 HR TREND..................17 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH IN THE EVENING
BECOMING 5 TO 15 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 MPH.
* CHANCE OF PRECIP................10 PERCENT IN THE EVENING
BECOMING 0 PERCENT AFTER MIDNIGHT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................69-78.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................20-33 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 35 TO 45 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.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................48-57.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................50-71 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-81.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-24 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 52-65. HIGHS 80-89. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
PARTLY CLOUDY. LOWS 58-66. HIGHS 82-90. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 59-66. HIGHS 81-90. WEST WINDS
5 TO 15 MPH.
FRIDAY
CLEAR. LOWS 59-69. HIGHS 87-96.
SATURDAY
MOSTLY CLEAR. LOWS 63-71. HIGHS 90-99.
CAZ230-260845-
JOSHUA TREE NATIONAL PARK-
131 PM PDT SAT APR 25 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS.
* MIN TEMPERATURE.................40-52.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................61-86 PCT.
* 24 HR TREND..................28 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH IN THE EVENING
BECOMING 5 TO 15 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 35 TO 45 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............5 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................56-72.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................22-42 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 30 TO 40 MPH IN THE MORNING
BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................36-48.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................54-79 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................61-75.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................16-29 PCT.
* 24 HR TREND..................9 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 41-59. HIGHS 69-83. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 49-61. HIGHS 72-85. SOUTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 49-62. HIGHS 71-85. NORTHWEST
WINDS 10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 51-65. HIGHS 77-91.
SATURDAY
MOSTLY CLEAR. LOWS 54-66. HIGHS 79-93.
8 TO 10 DAY OUTLOOK
SUNDAY MAY 3RD THROUGH TUESDAY MAY 5TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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