521
FNUS55 KPSR 260725
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1225 AM MST MON OCT 26 2026
DISCUSSION
WEAK HIGH PRESSURE WILL REMAIN OVER THE REGION EARLY THIS WEEK
ALLOWING FOR GRADUAL DRYING AND TEMPERATURES WITHIN THE NORMAL
RANGE. MINIMUM HUMIDITY LEVELS WILL CONTINUE TO FALL, REACHING
20-35% TODAY AND 15-30% TUESDAY. OVERNIGHT RECOVERIES WILL REMAIN
GOOD AT 40-65%. WINDS WILL REMAIN LIGHT EACH DAY FAVORING TYPICAL
DIURNAL PATTERNS. A SHIFT IN THE WEATHER PATTERN LATE THIS WEEK
AND INTO NEXT WEEKEND SHOULD BRING ABOUT COOLER, WETTER, AND
BREEZIER CONDITIONS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-261930-
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-
1225 AM MST MON OCT 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................79-85.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-24 PCT.
* 24 HR TREND..................4 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...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 2 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................56-66.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-61 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................79-86.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-21 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............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTH 5 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
WEDNESDAY
PARTLY CLOUDY. LOWS 57-67. HIGHS 79-86. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
61-71. HIGHS 78-86. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 59-69. HIGHS 71-78. SOUTHEAST WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 58-68.
HIGHS 70-78.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 54-64. HIGHS 66-73.
AZZ131-CAZ231-261930-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1225 AM MST MON OCT 26 2026 /1225 AM PDT MON OCT 26 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-86.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-24 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........5900 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 5 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-61.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................46-66 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-87.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* 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.
* MIXING HEIGHT FOR YUMA..........5200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 9 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
WEDNESDAY
PARTLY CLOUDY. LOWS 57-66. HIGHS 81-86. SOUTHEAST
WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 60-66. HIGHS 80-85. SOUTHEAST
WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 58-66. HIGHS 76-81. SOUTHEAST WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
58-64. HIGHS 74-79.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 55-64. HIGHS
70-75.
AZZ133-261930-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1225 AM MST MON OCT 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................67-80.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................25-36 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH 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...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................45-58.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................52-74 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................68-81.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................24-34 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............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 46-62. HIGHS 68-82. EAST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
48-63. HIGHS 68-81. EAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 49-63. HIGHS 61-73. SOUTHEAST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 49-62.
HIGHS 60-73.
SUNDAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
47-62. HIGHS 56-68.
CAZ232-261930-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1225 AM PDT MON OCT 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-87.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-25 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................57-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-60 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-86.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* 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
WEDNESDAY
PARTLY CLOUDY. LOWS 57-65. HIGHS 76-84. SOUTH WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 59-65. HIGHS 75-83. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 56-64. HIGHS 72-81. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 56-63.
HIGHS 68-77.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 53-62. HIGHS
64-73.
CAZ230-261930-
JOSHUA TREE NATIONAL PARK-
1225 AM PDT MON OCT 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................68-81.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-28 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH 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...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................50-58.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................42-53 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................67-81.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-23 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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
WEDNESDAY
PARTLY CLOUDY. LOWS 49-60. HIGHS 66-79. SOUTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 48-60. HIGHS 64-78. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 46-59. HIGHS 61-75. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 45-56.
HIGHS 57-71.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 43-56. HIGHS
53-67.
8 TO 10 DAY OUTLOOK
MONDAY NOVEMBER 2ND THROUGH WEDNESDAY
NOVEMBER 4TH: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN
PRECIPITATION.
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