845
FNUS55 KPSR 140702
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1202 AM MST FRI AUG 14 2026
DISCUSSION
GRADUAL DRYING CONDITIONS WILL PREVAIL OVER THE NEXT SEVERAL DAYS
WITH MONSOON STORM ACTIVITY NEARLY COMING TO AN END. HUMIDITY
LEVELS ARE SLATED TO DROP WHILE TEMPERATURES WARM BACK TO ABOVE
NORMAL BY SUNDAY. AFTERNOON MINRHS OF 25-35% TODAY WILL DROP INTO
THE TEENS ACROSS THE LOWER DESERTS TO AROUND 25% FOR HIGHER
TERRAIN AREAS STARTING SUNDAY. OVERNIGHT RECOVERIES WILL SHIFT
FROM GOOD THROUGH SATURDAY TO FAIR EARLY NEXT WEEK. WINDS WILL
REMAIN PREDOMINATELY OUT OF THE SOUTH SOUTHWEST MUCH OF THE PERIOD
WITH OVERNIGHT LIGHT EASTERLY DOWNSLOPING WINDS OVER THE EASTERN
DISTRICTS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-141915-
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-
1202 AM MST FRI AUG 14 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................95-103.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-29 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 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...............3 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......10200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 7 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................76-86.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................46-60 PCT.
* 24 HR TREND..................10 PCT DRIER.
* 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...............3 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................99-105.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................20-24 PCT.
* 24 HR TREND..................5 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 10 TO 20 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......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 79-89. HIGHS 102-109. WEST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 81-91. HIGHS 106-112. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 83-93. HIGHS 105-112. SOUTH WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 82-92. HIGHS 105-111.
THURSDAY
MOSTLY CLEAR. LOWS 82-92. HIGHS 104-111.
AZZ131-CAZ231-141915-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1202 AM MST FRI AUG 14 2026 /1202 AM PDT FRI AUG 14 2026/
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS . SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................99-104.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................27-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............10 PERCENT.
* MIXING HEIGHT FOR YUMA..........9200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................78-83.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................51-62 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 EVENING
BECOMING SOUTH 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............5 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................101-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................22-26 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH 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...............1 PERCENT.
* MIXING HEIGHT FOR YUMA..........10400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 6 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 81-87. HIGHS 104-109. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 83-88. HIGHS 107-112. SOUTHWEST
WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 83-88. HIGHS 107-112. SOUTH WINDS
10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 82-87. HIGHS 106-111.
THURSDAY
MOSTLY CLEAR. LOWS 82-87. HIGHS 106-111.
AZZ133-141915-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1202 AM MST FRI AUG 14 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
* MAX TEMPERATURE.................82-97.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................26-39 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............11 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................61-78.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................51-72 PCT.
* 24 HR TREND..................16 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 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...............3 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................86-101.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................20-29 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING WEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 64-82. HIGHS 89-104. NORTH WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 66-83. HIGHS 91-106. EAST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 66-84. HIGHS 91-106. SOUTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 66-84. HIGHS 91-106.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 66-84. HIGHS 91-106.
CAZ232-141915-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1202 AM PDT FRI AUG 14 2026
TODAY
* SKY/WEATHER.....................MOSTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE.................95-104.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................22-30 PCT.
* 24 HR TREND..................LITTLE 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...............5 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................78-84.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................43-58 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING NORTHWEST AFTER MIDNIGHT.
* 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...............5 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................96-105.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-29 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 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...............1 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY. LOWS 80-88. HIGHS 99-108. WEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 82-88. HIGHS 102-111. WEST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 82-88. HIGHS 103-112. SOUTH WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 82-88. HIGHS 102-112.
THURSDAY
MOSTLY CLEAR. LOWS 81-88. HIGHS 102-111.
CAZ230-141915-
JOSHUA TREE NATIONAL PARK-
1202 AM PDT FRI AUG 14 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY IN THE MORNING
BECOMING SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE.................84-98.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................21-30 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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...............4 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................66-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-55 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING NORTHWEST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................86-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-31 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 5 TO 15 MPH 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...............5 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS 68-84. HIGHS 89-103. WEST WINDS 5 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 70-84. HIGHS 91-106. WEST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 71-84. HIGHS 92-107. SOUTHWEST
WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 71-84. HIGHS 92-106.
THURSDAY
MOSTLY CLEAR. LOWS 70-84. HIGHS 91-106.
8 TO 10 DAY OUTLOOK
FRIDAY AUGUST 21ST THROUGH SUNDAY AUGUST
23RD: ABOVE NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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