159
FNUS55 KPSR 092029
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
129 PM MST THU JUL 9 2026
DISCUSSION
MOUNTAIN THUNDERSTORMS IN EASTERN DISTRICTS WILL BE FAR LESS
LIKELY THROUGH FRIDAY WITH MINIMAL TO NO IMPACTS, HOWEVER
RETURNING SATURDAY WITH STRONG, GUSTY WINDS AND LOCALLY HEAVY
RAINFALL. AFTERNOON HUMIDITY LEVELS WILL FALL INTO A 10-20% RANGE
IN WESTERN DISTRICTS, WHILE 15-25% IN EASTERN DISTRICTS. OVERNIGHT
RECOVERY WILL BE IMPROVING INTO A FAIR TO GOOD RANGE OF 30-60%.
REGARDLESS, COMBINED WITH AFTERNOON UPSLOPE GUSTINESS 15-25 MPH,
AN ELEVATED FIRE DANGER WILL PERSIST THROUGH SATURDAY.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-100830-
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-
129 PM MST THU JUL 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................79-89.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................38-51 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................105-112.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 11 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................77-87.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-55 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................104-110.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-25 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 12 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79-89. HIGHS 103-109. SOUTHWEST WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80-90. HIGHS 103-108. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80-90. HIGHS 104-110. SOUTH WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80-90. HIGHS 104-111.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 78-88. HIGHS 101-107.
AZZ131-CAZ231-100830-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
129 PM MST THU JUL 9 2026 /129 PM PDT THU JUL 9 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................78-83.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................41-58 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................108-113.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-22 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 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.
* MIXING HEIGHT FOR YUMA..........5200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................77-82.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................40-58 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................105-111.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-25 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
* MIXING HEIGHT FOR YUMA..........4800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 80-85. HIGHS 105-110. SOUTH WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80-85. HIGHS 104-109. SOUTH WINDS 5 TO
15 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81-86. HIGHS 106-111. SOUTH WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81-86. HIGHS 108-113.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80-86. HIGHS 104-109.
AZZ133-100830-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
129 PM MST THU JUL 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................65-83.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................36-54 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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...............3 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................94-108.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-21 PCT.
* 24 HR TREND..................LITTLE 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...............3 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................66-82.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-56 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................94-107.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-25 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING EAST IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT IN THE MORNING
BECOMING 20 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............15 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 64-82. HIGHS 92-107. SOUTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 64-81. HIGHS 89-104. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63-81. HIGHS 88-104. EAST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63-81. HIGHS 88-104.
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 62-81. HIGHS 86-102.
CAZ232-100830-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
129 PM PDT THU JUL 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................77-83.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................21-63 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................104-115.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-18 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................77-83.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-65 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................101-111.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................16-25 PCT.
* 24 HR TREND..................9 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 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.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 80-87. HIGHS 100-109. SOUTH WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
81-88. HIGHS 100-109. SOUTH WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 82-89. HIGHS 102-112. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 83-89. HIGHS 103-113.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81-89. HIGHS 100-110.
CAZ230-100830-
JOSHUA TREE NATIONAL PARK-
129 PM PDT THU JUL 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................71-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................16-23 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH IN THE
EVENING BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................95-109.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................71-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................19-33 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................92-106.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................14-19 PCT.
* 24 HR TREND..................8 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.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 73-84. HIGHS 90-104. SOUTH WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 73-84. HIGHS 90-104. SOUTH WINDS 5 TO
15 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 74-85. HIGHS 92-106. SOUTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 75-85. HIGHS 93-107.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 72-85. HIGHS 90-104.
8 TO 10 DAY OUTLOOK
FRIDAY JULY 17TH THROUGH SUNDAY JULY 19TH:
ABOVE NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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