187
FNUS55 KPSR 232022
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
122 PM MST FRI OCT 23 2026
DISCUSSION
A WEAK WEATHER SYSTEM WILL LINGER ACROSS THE REGION SATURDAY WITH
A SLIGHT CHANCE OF A LIGHT SHOWER CHANCES OVER ARIZONA MOUNTAIN
LOCATIONS, HOWEVER WETTING RAINFALL IS NOT EXPECTED. MINIMUM
HUMIDITY LEVELS WILL FALL INTO A 20-45% RANGE FOLLOWING GOOD TO
EXCELLENT OVERNIGHT RECOVERY. LIGHT WINDS WILL BE COMMON ACROSS
THE AREA WITH THE EXCEPTION OF MODEST BREEZINESS EARLY SATURDAY
ACROSS WESTERN DISTRICTS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-240830-
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-
122 PM MST FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................51-72 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................74-80.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-36 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.......8800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................51-74 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............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-30 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTH 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 79-85. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 81-87. EAST WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 60-70. HIGHS 80-86. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
60-70. HIGHS 77-84.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 58-68. HIGHS
73-79.
AZZ131-CAZ231-240830-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
122 PM MST FRI OCT 23 2026 /122 PM PDT FRI OCT 23 2026/
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-61.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................57-77 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................21-29 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........8700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-61.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................49-75 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-85.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-28 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 4 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
MONDAY
CLEAR. LOWS 56-64. HIGHS 82-87. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 57-64. HIGHS 83-88. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 58-65. HIGHS 82-87. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 58-65. HIGHS 79-84.
FRIDAY
PARTLY CLOUDY. LOWS 57-65. HIGHS 76-81.
AZZ133-240830-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
122 PM MST FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................46-58.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................66-89 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................61-74.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................37-54 PCT.
* 24 HR TREND..................4 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.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................42-56.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................64-89 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE EVENING
BECOMING NORTHEAST AFTER MIDNIGHT.
* 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................63-76.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................30-42 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING MOSTLY UPSLOPE/UPVALLEY IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 42-59. HIGHS 67-80. NORTHEAST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 46-61. HIGHS 68-81. EAST WINDS 5 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 47-62. HIGHS 67-81. EAST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
49-62. HIGHS 66-79.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 47-62. HIGHS
60-74.
CAZ232-240830-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
122 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................56-63.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................53-77 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING NORTH 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-84.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................19-28 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................57-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-62 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-85.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-27 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 58-66. HIGHS 78-87. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 59-66. HIGHS 79-88. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 59-66. HIGHS 77-86. WEST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 59-65. HIGHS 75-83.
FRIDAY
PARTLY CLOUDY. LOWS 57-64. HIGHS 72-81.
CAZ230-240830-
JOSHUA TREE NATIONAL PARK-
122 PM PDT FRI OCT 23 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................47-59.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................53-68 PCT.
* 24 HR TREND..................15 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................64-76.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................25-33 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................49-59.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................42-51 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................67-79.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................22-28 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING EAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 51-60. HIGHS 69-80. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 52-60. HIGHS 69-82. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 51-61. HIGHS 68-80. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 49-61. HIGHS 65-78.
FRIDAY
PARTLY CLOUDY. LOWS 47-60. HIGHS 62-75.
8 TO 10 DAY OUTLOOK
SATURDAY OCTOBER 31ST THROUGH MONDAY
NOVEMBER 2ND: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN
PRECIPITATION.
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