228  
FNUS75 KPSR 291022  
FWSPSR  
 
SPOT FORECAST FOR ISLAND FIRE...USWFS  
NATIONAL WEATHER SERVICE PHOENIX AZ  
322 AM MST WED JUL 29 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MST ON JULY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HOT AND FAIRLY DRY CONDITIONS WILL CONTINUE TO PREVAIL OVER THE NEXT  
SEVERAL DAYS. WINDS WILL REMAIN OUT OF THE SOUTH THROUGH THURSDAY  
WITH SPEEDS CONSISTENTLY AROUND 10 MPH, BUT WITH AFTERNOON GUSTS UP  
TO 20 MPH AT TIMES. HUMIDITIES TODAY WILL DIP DOWN TO AROUND 20%  
THIS AFTERNOON WITH DECENT OVERNIGHT RECOVERIES OF AROUND 35% TONIGHT.  
CONDITIONS ON THURSDAY WILL BE VERY SIMILAR TO TODAY, BUT HUMIDITIES  
WILL DIP DOWN FURTHER WHILE TEMPERATURES RISE TO AS HOT AS 115 DEGREES.  
   
..THUNDERSTORMS IMPLY GUSTY WINDS
 
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND  
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 113.  
MIN HUMIDITY........16-21 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 13 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 85.  
MAX HUMIDITY........33-38 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 11 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 115.  
MIN HUMIDITY........11-16 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 11 MPH.  
 

 
FORECASTER...CK  
REQUESTED BY...CHAYNE BEST  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618535.0/PSR  
.DELDT 07/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CHAYNE_BEST@FWS.GOV  
 
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