384
FNUS55 KPSR 260907
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
207 AM MST FRI JUN 26 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS
MORNING TO 8 PM MST /8 PM PDT/ SATURDAY DUE TO STRONG WINDS...
LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER...
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST
SUNDAY DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE
DANGER...
DISCUSSION
AN UNUSUAL WEATHER PATTERN FOR LATE JUNE WILL SET UP OVER THE
REGION THROUGH SUNDAY RESULTING IN A POTENTIALLY DANGEROUS FIRE
WEATHER SITUATION CAPABLE OF SUPPORTING EXTREME FIRE BEHAVIOR. AS
AFTERNOON HUMIDITY LEVELS FALL BELOW 10%, WIND GUSTS BETWEEN 20-40
MPH WILL BECOME COMMON, ESPECIALLY IN THE WESTERN DISTRICTS,
WHILE TEMPERATURES WILL BE ABOVE TO NEAR NORMAL THROUGH SATURDAY,
COOLING TO BELOW NORMAL BY SUNDAY. OVERNIGHT RECOVERY WILL ONLY
BE POOR TO FAIR. RED FLAG WARNINGS CONTINUE WITH CONDITIONS
SATURDAY WORSE THAN FRIDAY, AND ABOUT AS DANGEROUS AS IT GETS FOR
THIS TIME OF YEAR.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-262115-
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-
207 AM MST FRI JUN 26 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................103-109.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................6-13 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11900 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 23 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................71-81.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................17-31 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH IN THE
EVENING BECOMING 30 TO 40 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................99-107.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......10700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 24 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
SUNDAY
CLEAR. LOWS 66-77. HIGHS 94-102. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 66-76. HIGHS 94-102. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 66-76. HIGHS 94-102. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 66-76. HIGHS 96-103.
THURSDAY
CLEAR. LOWS 66-76. HIGHS 98-105.
AZZ131-CAZ231-262115-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
207 AM MST FRI JUN 26 2026 /207 AM PDT FRI JUN 26 2026/
...RED FLAG WARNING IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS
MORNING TO 8 PM MST /8 PM PDT/ SATURDAY...
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY. PATCHY BLOWING DUST
IN THE AFTERNOON.
* MAX TEMPERATURE.................104-109.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................4-8 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........10100 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 15 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................69-74.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................21-33 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE.................101-107.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-17 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........9200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 17 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
SUNDAY
CLEAR. LOWS 64-73. HIGHS 95-100. WEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 64-71. HIGHS 95-100. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 66-71. HIGHS 96-101. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 66-71. HIGHS 97-102.
THURSDAY
MOSTLY CLEAR. LOWS 67-74. HIGHS 100-105.
AZZ133-262115-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
207 AM MST FRI JUN 26 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST
SUNDAY...
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................90-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-18 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................62-78.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-39 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH IN THE
EVENING BECOMING SOUTH 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................88-103.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................10-16 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 58-75. HIGHS 85-100. SOUTHWEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 56-72. HIGHS 85-99. SOUTHWEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 56-72. HIGHS 85-99. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 56-72. HIGHS 86-100.
THURSDAY
MOSTLY CLEAR. LOWS 56-75. HIGHS 88-102.
CAZ232-262115-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
207 AM PDT FRI JUN 26 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................97-107.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................3-8 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................69-75.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................22-40 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE.................93-103.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................13-21 PCT.
* 24 HR TREND..................11 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH IN THE
MORNING BECOMING 15 TO 25 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
BREEZY, CLEAR. LOWS 64-72. HIGHS 88-98. WEST WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
CLEAR. LOWS 64-73. HIGHS 90-99. WEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 66-73. HIGHS 90-100. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 67-73. HIGHS 91-101.
THURSDAY
MOSTLY CLEAR. LOWS 68-77. HIGHS 93-104.
CAZ230-262115-
JOSHUA TREE NATIONAL PARK-
207 AM PDT FRI JUN 26 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................85-102.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................5-11 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................60-73.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................27-44 PCT.
* 24 HR TREND..................14 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-98.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................12-24 PCT.
* 24 HR TREND..................9 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 54-70. HIGHS 76-92. WEST WINDS 15 TO
25 MPH.
MONDAY
CLEAR. LOWS 55-71. HIGHS 79-94. WEST WINDS 5 TO 15 MPH.
MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 57-71. HIGHS 79-94. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 57-71. HIGHS 81-95.
THURSDAY
CLEAR. LOWS 59-74. HIGHS 83-97.
8 TO 10 DAY OUTLOOK
FRIDAY JULY 3RD THROUGH SUNDAY JULY 5TH:
NEAR NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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