768  
FNUS55 KPSR 051116  
FWFPSR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL  
ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE PHOENIX AZ  
416 AM MST TUE MAR 5 2024  
   
DISCUSSION
 
 
TEMPERATURES WILL TREND WARMER THROUGH THE MIDDLE OF THE WEEK  
AHEAD OF COOLING TEMPERATURES BACK TO BELOW NORMAL THROUGH THE END  
OF THE WEEK. DAYTIME MINIMUM RELATIVE HUMIDITY VALUES WILL HOVER  
IN THE 15-25% RANGE OVER THE NEXT COUPLE OF DAYS BEFORE MOISTENING  
AGAIN DUE TO A WEATHER DISTURBANCE BRINGING INCREASING RAIN  
CHANCES THURSDAY AND FRIDAY, AT LEAST ACROSS THE EASTERN  
DISTRICTS. BEST CHANCES FOR WETTING RAINS WILL BE THURSDAY, WHERE  
CHANCES ARE IN THE 10-20% (25-40%) RANGE FOR THE LOWER DESERTS  
(HIGHER TERRAIN) OF SOUTHCENTRAL ARIZONA. LESS CHANCES FOR WETTING  
RAINS ON FRIDAY, AS THE MAIN DISTURBANCE EXITS EAST OF THE  
REGION GOING INTO THE WEEKEND. DRYING CONDITIONS ARE ANTICIPATED  
FOR THE WEEKEND.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND  
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 
AZZ132-052330-  
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-  
416 AM MST TUE MAR 5 2024  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................70-75.  
* 24 HR TREND..................4 DEGREES WARMER.  
* MIN HUMIDITY....................22-26 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............WEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......6800 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 7 KNOTS.  
* DISPERSION FOR PHOENIX..........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................48-58.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MAX HUMIDITY....................48-65 PCT.  
* 24 HR TREND..................4 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE  
EVENING BECOMING SOUTH AFTER MIDNIGHT.  
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
WEDNESDAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................71-76.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................16-22 PCT.  
* 24 HR TREND..................4 PCT DRIER.  
* 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............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......7500 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 9 KNOTS.  
* DISPERSION FOR PHOENIX..........VERY GOOD.  
 
   
EXTENDED
 
   
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
45-55. HIGHS 62-70. SOUTHWEST WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 44-54. HIGHS 65-73. NORTHWEST WINDS  
10 TO 20 MPH.    
SATURDAY
 
CLEAR. LOWS 44-54. HIGHS 71-77. NORTH WINDS 5 TO  
15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 46-56. HIGHS 75-82.    
MONDAY
 
PARTLY CLOUDY. LOWS 49-59. HIGHS 77-83.  
 

 
 
AZZ131-CAZ231-052330-  
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-  
LOWER COLORADO RIVER VALLEY CA-  
416 AM MST TUE MAR 5 2024 /316 AM PST TUE MAR 5 2024/  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................72-77.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MIN HUMIDITY....................19-26 PCT.  
* 24 HR TREND..................3 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.  
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........4600 FT AGL.  
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 7 KNOTS.  
* DISPERSION FOR YUMA.............FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................46-53.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................60-74 PCT.  
* 24 HR TREND..................5 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
WEDNESDAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................73-78.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................16-20 PCT.  
* 24 HR TREND..................5 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........6700 FT AGL.  
* TRANSPORT WIND FOR YUMA.........WEST 13 KNOTS.  
* DISPERSION FOR YUMA.............VERY GOOD.  
 
   
EXTENDED
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS 47-53. HIGHS 68-73. WEST WINDS  
10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 45-51. HIGHS 72-77. NORTHWEST WINDS  
10 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 45-52. HIGHS 75-80. NORTH WINDS  
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN  
15 PERCENT.    
SUNDAY
 
MOSTLY CLEAR. LOWS 47-55. HIGHS 78-83.    
MONDAY
 
PARTLY CLOUDY. LOWS 50-55. HIGHS 80-85.  
 

 
 
AZZ133-052330-  
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-  
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/  
CAZ-  
416 AM MST TUE MAR 5 2024  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................59-71.  
* 24 HR TREND..................5 DEGREES WARMER.  
* MIN HUMIDITY....................22-29 PCT.  
* 24 HR TREND..................10 PCT DRIER.  
* 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............WEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................36-49.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MAX HUMIDITY....................48-64 PCT.  
* 24 HR TREND..................12 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING  
BECOMING EAST AFTER MIDNIGHT.  
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
WEDNESDAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................59-72.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................20-27 PCT.  
* 24 HR TREND..................3 PCT DRIER.  
* 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............SOUTHWEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
THURSDAY
 
COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS  
32-47. HIGHS 48-61. SOUTHWEST WINDS 10 TO 20 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 31-46. HIGHS  
50-64. WEST WINDS 5 TO 15 MPH.    
SATURDAY
 
CLEAR. LOWS 31-48. HIGHS 57-70. NORTHEAST WINDS 5 TO  
15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 33-51. HIGHS 61-75.    
MONDAY
 
MOSTLY CLEAR. LOWS 37-52. HIGHS 64-77.  
 

 
 
CAZ232-052330-  
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-  
316 AM PST TUE MAR 5 2024  
   
TODAY
 
 
* SKY/WEATHER.....................PARTLY SUNNY.  
* MAX TEMPERATURE.................68-77.  
* 24 HR TREND..................3 DEGREES WARMER.  
* MIN HUMIDITY....................20-29 PCT.  
* 24 HR TREND..................5 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.  
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................PARTLY CLOUDY.  
* MIN TEMPERATURE.................48-53.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................49-72 PCT.  
* 24 HR TREND..................5 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
WEDNESDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................68-77.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................17-28 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS 47-55. HIGHS 64-73. WEST WINDS  
15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 48-54. HIGHS 68-78. NORTHWEST WINDS  
10 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 48-55. HIGHS 70-80. NORTH WINDS  
5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 49-57. HIGHS 73-82.    
MONDAY
 
PARTLY CLOUDY. LOWS 51-57. HIGHS 74-84.  
 

 
 
CAZ230-052330-  
JOSHUA TREE NATIONAL PARK-  
316 AM PST TUE MAR 5 2024  
   
TODAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................59-72.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................21-31 PCT.  
* 24 HR TREND..................5 PCT DRIER.  
* 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............WEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................MOSTLY CLEAR.  
* MIN TEMPERATURE.................38-48.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................46-63 PCT.  
* 24 HR TREND..................9 PCT DRIER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
WEDNESDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................56-71.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................17-32 PCT.  
* 24 HR TREND..................3 PCT DRIER.  
* 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.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
37-49. HIGHS 54-67. WEST WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 37-49. HIGHS 57-70. NORTHWEST WINDS  
10 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 38-50. HIGHS 60-72. NORTHWEST  
WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 41-52. HIGHS 62-75.    
MONDAY
 
PARTLY CLOUDY. LOWS 42-52. HIGHS 63-77.  
 

 
   
8 TO 10 DAY OUTLOOK
 
TUESDAY MARCH 12TH THROUGH THURSDAY MARCH  
14TH:  
ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN PRECIPITATION.  
 
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