633
FNUS55 KPSR 102043
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
143 PM MST THU JUL 10 2025
DISCUSSION
ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS WILL PERSIST THROUGH
THE WEEKEND. EXPECT WIND GUSTS BETWEEN 20-25 MPH INTO THIS
EVENING ACROSS SOUTH CENTRAL ARIZONA. ON FRIDAY, GUSTS UPWARDS OF
20-25 MPH WILL BE MOSTLY CONFINED TO THE HIGH TERRAIN OF THE
EASTERN DISTRICTS. AFTERNOON MINRHS WILL GENERALLY BOTTOM OUT
BETWEEN 15-20% AREAWIDE FRIDAY AND SATURDAY. TONIGHT, PERIODIC
GULF SURGES WILL RESULT IN MAXRH VALUES IN EXCESS OF 50-70% FOR
ALL ZONES EXCEPT JOSHUA TREE NATIONAL PARK. VERY MINIMAL RAIN
CHANCES WILL EXIST THROUGH THIS WEEKEND, WITH ACTIVITY FOCUSED
MAINLY ACROSS THE EASTERN AND SOUTHEASTERN THIRD OF AZ, WITH CWR
<10%.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-110845-
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-
143 PM MST THU JUL 10 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................80-90.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................44-61 PCT.
* 24 HR TREND..................21 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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...............1 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................103-109.
* 24 HR TREND..................4 DEGREES COOLER.
* 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............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......10100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 12 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
FRIDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................76-86.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................41-58 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................103-108.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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 PHOENIX.......9600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 10 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
SUNDAY
CLEAR. LOWS 76-86. HIGHS 103-109. SOUTHWEST WINDS 5 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 77-87. HIGHS 103-109. SOUTHWEST
WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 77-87. HIGHS 101-108. SOUTH WINDS
10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 77-87. HIGHS 100-106.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 77-87. HIGHS 100-106.
AZZ131-CAZ231-110845-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
143 PM MST THU JUL 10 2025 /143 PM PDT THU JUL 10 2025/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................79-84.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................56-73 PCT.
* 24 HR TREND..................30 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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...............1 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................106-112.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................12-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
* MIXING HEIGHT FOR YUMA..........6200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
FRIDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................76-81.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................51-70 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................106-111.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-19 PCT.
* 24 HR TREND..................LITTLE 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 YUMA..........6600 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 9 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
SUNDAY
CLEAR. LOWS 76-81. HIGHS 106-111. SOUTH WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 77-82. HIGHS 105-111. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 77-82. HIGHS 104-109. SOUTH WINDS
10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 76-81. HIGHS 102-108.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 77-82. HIGHS 102-107.
AZZ133-110845-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
143 PM MST THU JUL 10 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................68-84.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................42-59 PCT.
* 24 HR TREND..................17 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH IN THE EVENING
BECOMING 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-105.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................16-24 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................64-80.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................41-58 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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...............4 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................91-104.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-21 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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...............4 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR WITH SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 64-81. HIGHS 92-105. WEST WINDS 10 TO 20 MPH.
MONDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 64-81. HIGHS 91-104. SOUTHWEST WINDS 10 TO 20 MPH.
TUESDAY
PARTLY CLOUDY WITH SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 64-80. HIGHS 89-103. WEST WINDS 10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY WITH SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 63-79. HIGHS 89-102.
THURSDAY
PARTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 63-80. HIGHS 88-102.
CAZ232-110845-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
143 PM PDT THU JUL 10 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................79-85.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................24-71 PCT.
* 24 HR TREND..................21 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................103-114.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-17 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................75-81.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................25-73 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................101-111.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-15 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH IN THE
MORNING BECOMING WEST IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 75-84. HIGHS 102-111. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 76-84. HIGHS 102-112. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 76-83. HIGHS 101-111. SOUTH WINDS
10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 76-83. HIGHS 98-108.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 76-84. HIGHS 98-108.
CAZ230-110845-
JOSHUA TREE NATIONAL PARK-
143 PM PDT THU JUL 10 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................72-83.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................14-21 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................94-107.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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 NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................70-79.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................18-25 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.................93-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 70-81. HIGHS 93-107. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 69-81. HIGHS 93-107. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 67-79. HIGHS 92-106. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 67-79. HIGHS 90-103.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 68-80. HIGHS 88-102.
8 TO 10 DAY OUTLOOK
THURSDAY JULY 17TH THROUGH SATURDAY JULY
19TH: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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