582  
FNUS55 KPSR 241209  
FWFPSR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL  
ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE PHOENIX AZ  
509 AM MST SAT JUN 24 2017  
   
DISCUSSION
 
 
VERY HOT CONDITIONS WILL CONTINUE THIS WEEKEND WITH A SLIGHT  
CHANCE OF ISOLATED AFTERNOON T-STORMS OVER S. GILA CTY--MOSTLY ON  
SUN. EXPECT MIN RH VALUES OF 7-12 PERCENT FOR THE LOWER DESERTS  
WITH POOR-FAIR OVERNIGHT RECOVERIES ON SAT IMPROVING TO FAIR ON  
SUN. SLIGHTLY BREEZY W-SW WINDS WITH GUSTS OF 14-20MPH ARE  
EXPECTED DURING THE LATE AFTERNOONS AND EARLY EVENINGS.  
   
..THUNDERSTORMS IMPLY GUSTY WINDS
 
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND  
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 
AZZ132-250015-  
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-  
509 AM MST SAT JUN 24 2017  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................110-116.  
* 24 HR TREND..................4 DEGREES WARMER.  
* MIN HUMIDITY....................8-13 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............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......1300 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......WEST 5 KNOTS.  
* DISPERSION FOR PHOENIX..........POOR.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................82-92.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MAX HUMIDITY....................21-32 PCT.  
* 24 HR TREND..................7 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
   
SUNDAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................109-116.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................8-13 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.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......3700 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 4 KNOTS.  
* DISPERSION FOR PHOENIX..........MARGINAL.  
 
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 81-91. HIGHS 108-113. SOUTHWEST  
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
TUESDAY
 
MOSTLY CLEAR. LOWS 77-87. HIGHS 105-111. SOUTHWEST  
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
WEDNESDAY
 
CLEAR. LOWS 75-85. HIGHS 103-109. SOUTH WINDS 10 TO  
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
THURSDAY
 
CLEAR. LOWS 75-85. HIGHS 102-107.    
FRIDAY
 
CLEAR. LOWS 74-84. HIGHS 102-107.  
 

 
 
AZZ133-250015-  
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-  
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/  
CAZ-  
509 AM MST SAT JUN 24 2017  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................96-112.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................9-14 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST 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.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................67-83.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................28-54 PCT.  
* 24 HR TREND..................7 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE  
EVENING BECOMING EAST AFTER MIDNIGHT.  
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH IN THE  
EVENING BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
   
SUNDAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.................95-111.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................10-16 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST 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 IN THE MORNING BECOMING  
10 PERCENT IN THE AFTERNOON.  
* LAL.............................1 IN THE MORNING BECOMING 2 IN  
THE AFTERNOON.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 64-83. HIGHS 93-109. SOUTH WINDS 10 TO  
20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 64-83. HIGHS 92-107. SOUTHWEST  
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 60-80. HIGHS 90-105. SOUTHWEST  
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
THURSDAY
 
MOSTLY CLEAR. LOWS 60-77. HIGHS 89-104.    
FRIDAY
 
MOSTLY CLEAR. LOWS 59-77. HIGHS 90-104.  
 

 
 
AZZ131-CAZ231-250015-  
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-  
LOWER COLORADO RIVER VALLEY CA-  
509 AM MST SAT JUN 24 2017 /509 AM PDT SAT JUN 24 2017/  
   
TODAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................113-117.  
* 24 HR TREND..................5 DEGREES WARMER.  
* MIN HUMIDITY....................8-13 PCT.  
* 24 HR TREND..................3 PCT DRIER.  
* 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.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........9600 FT AGL.  
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 4 KNOTS.  
* DISPERSION FOR YUMA.............FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................84-89.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MAX HUMIDITY....................22-37 PCT.  
* 24 HR TREND..................9 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.  
* LAL.............................1.  
   
SUNDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................111-116.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................8-13 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.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........5100 FT AGL.  
* TRANSPORT WIND FOR YUMA.........SOUTH 9 KNOTS.  
* DISPERSION FOR YUMA.............GOOD.  
 
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 83-89. HIGHS 111-115. SOUTHWEST  
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
TUESDAY
 
CLEAR. LOWS 77-87. HIGHS 107-112. SOUTHWEST WINDS  
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
WEDNESDAY
 
CLEAR. LOWS 77-82. HIGHS 105-110. SOUTH WINDS 5 TO  
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
THURSDAY
 
CLEAR. LOWS 77-82. HIGHS 102-107.    
FRIDAY
 
CLEAR. LOWS 76-82. HIGHS 104-108.  
 

 
 
CAZ230-250015-  
JOSHUA TREE NATIONAL PARK-  
509 AM PDT SAT JUN 24 2017  
   
TODAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................100-114.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................7-12 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.  
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................MOSTLY CLEAR.  
* MIN TEMPERATURE.................74-86.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................17-22 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
SUNDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................99-114.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................7-12 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING  
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.  
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING  
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
MONDAY
 
CLEAR. LOWS 72-85. HIGHS 96-111. WEST WINDS 15 TO  
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
TUESDAY
 
CLEAR. LOWS 65-83. HIGHS 93-109. WEST WINDS 10 TO  
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
WEDNESDAY
 
CLEAR. LOWS 64-77. HIGHS 92-107. WEST WINDS 5 TO  
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
THURSDAY
 
CLEAR. LOWS 64-76. HIGHS 90-104.    
FRIDAY
 
CLEAR. LOWS 63-76. HIGHS 91-106.  
 

 
 
CAZ232-250015-  
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-  
509 AM PDT SAT JUN 24 2017  
   
TODAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................108-117.  
* 24 HR TREND..................5 DEGREES WARMER.  
* MIN HUMIDITY....................7-12 PCT.  
* 24 HR TREND..................3 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................MOSTLY CLEAR.  
* MIN TEMPERATURE.................81-89.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................19-44 PCT.  
* 24 HR TREND..................6 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.  
* LAL.............................1.  
   
SUNDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................108-117.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................7-13 PCT.  
* 24 HR TREND..................LITTLE CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING  
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........6 OR HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 78-89. HIGHS 105-115. SOUTHWEST  
WINDS 15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
TUESDAY
 
CLEAR. LOWS 73-86. HIGHS 103-112. SOUTHWEST WINDS  
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
WEDNESDAY
 
CLEAR. LOWS 70-82. HIGHS 100-110. SOUTHWEST WINDS  
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
THURSDAY
 
CLEAR. LOWS 70-80. HIGHS 97-107.    
FRIDAY
 
CLEAR. LOWS 69-80. HIGHS 99-108.  
 

 
   
8 TO 10 DAY OUTLOOK
 
SATURDAY JULY 1ST THROUGH MONDAY JULY 3RD:  
NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR TO BELOW-MEDIAN  
PRECIPITATION.  
 
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