090
FNUS55 KPSR 042202
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
302 PM MST FRI JUL 4 2025
DISCUSSION
NEAR TO BELOW-NORMAL TEMPERATURES WILL PERSIST INTO THE START OF
THE WEEKEND, WITH ABOVE-NORMAL READINGS RETURNING BY SUNDAY. SOME
LINGERING MOISTURE WILL RESULT IN RELATIVELY ELEVATED MINRH
VALUES WITH READINGS BETWEEN 20-25% IN THE EASTERN DISTRICTS AND
15-20% IN THE WESTERN ZONES. OVERNIGHT RECOVERIES TONIGHT WILL
OFFER SOME DECENT RELIEF AS READINGS HOVER BETWEEN 40-60%.
HOWEVER, DRIER AIR WILL RESULT IN DECREASING RH VALUES FOR
SATURDAY, WITH DAILY MINIMUMS GENERALLY BETWEEN 10-20% AND MAX
VALUES HOVERING AROUND 25-35%. WINDS WILL FOLLOW FAMILIAR DIURNAL
TRENDS, WITH TYPICAL AFTERNOON BREEZINESS. SLIGHTLY MORE ELEVATED
GUSTS (20-25 MPH) CAN BE ANTICIPATED ALONG THE LOWER COLORADO
RIVER VALLEY.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-051015-
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-
302 PM MST FRI JUL 4 2025
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................75-85.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................47-62 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.................100-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-21 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* 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.
* MIXING HEIGHT FOR PHOENIX.......10500 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................78-88.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-39 PCT.
* 24 HR TREND..................22 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................104-110.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................4 PCT DRIER.
* 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...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......10800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 7 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 79-89. HIGHS 105-111. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 79-89. HIGHS 106-111. SOUTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 81-91. HIGHS 109-114. SOUTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 81-91. HIGHS 106-112.
FRIDAY
MOSTLY CLEAR. LOWS 80-90. HIGHS 105-111.
AZZ131-CAZ231-051015-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
302 PM MST FRI JUL 4 2025 /302 PM PDT FRI JUL 4 2025/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................74-79.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................54-74 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................104-109.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-17 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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..........9800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................74-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................22-35 PCT.
* 24 HR TREND..................36 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTH 10 TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................107-112.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* 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..........9400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
MONDAY
CLEAR. LOWS 77-82. HIGHS 107-112. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 78-85. HIGHS 108-113. SOUTH WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 81-87. HIGHS 111-116. SOUTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 82-87. HIGHS 109-115.
FRIDAY
MOSTLY CLEAR. LOWS 80-86. HIGHS 107-113.
AZZ133-051015-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
302 PM MST FRI JUL 4 2025
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................61-79.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-62 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................88-102.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................64-80.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................32-48 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING NORTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................92-106.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* 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...............5 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 66-83. HIGHS 93-107. SOUTHWEST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 67-84. HIGHS 95-109. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 68-85. HIGHS 97-110. WEST WINDS 10 TO 20 MPH.
MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 67-85. HIGHS 95-108.
FRIDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 67-83. HIGHS 93-106.
CAZ232-051015-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
302 PM PDT FRI JUL 4 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................73-79.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-69 PCT.
* 24 HR TREND..................5 PCT DRIER.
* 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................99-109.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-14 PCT.
* 24 HR TREND..................3 PCT DRIER.
* 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.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................75-81.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................15-27 PCT.
* 24 HR TREND..................27 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTH 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................102-112.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................6-11 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST 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
MONDAY
CLEAR. LOWS 77-85. HIGHS 102-112. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 78-89. HIGHS 103-113. SOUTH WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 82-90. HIGHS 107-116. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 80-90. HIGHS 106-116.
FRIDAY
MOSTLY CLEAR. LOWS 80-88. HIGHS 104-114.
CAZ230-051015-
JOSHUA TREE NATIONAL PARK-
302 PM PDT FRI JUL 4 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................62-74.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-32 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-103.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................65-75.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................14-19 PCT.
* 24 HR TREND..................11 PCT DRIER.
* 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................92-105.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................5-9 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 5 TO 15 MPH 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
MONDAY
CLEAR. LOWS 67-80. HIGHS 91-106. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 69-84. HIGHS 93-107. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 73-85. HIGHS 97-111. WEST WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 73-85. HIGHS 97-111.
FRIDAY
MOSTLY CLEAR. LOWS 71-83. HIGHS 95-109.
8 TO 10 DAY OUTLOOK
SATURDAY JULY 12TH THROUGH MONDAY JULY
14TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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