554  
FNUS75 KPSR 202157  
FWSPSR  
 
SPOT FORECAST FOR TONTO BASIN MISC PILES RX...USFS  
NATIONAL WEATHER SERVICE PHOENIX AZ  
257 PM MST MON JAN 20 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON JANUARY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
EXPECT DRY AND MUCH COOLER WEATHER ON TUESDAY IN THE WAKE OF  
A COLD FRONT. WINDS WILL DIMINISH AFTER SUNRISE TUESDAY MORNING,  
BECOMING SOUTH TO SOUTHWESTERLY AROUND 8 MPH BY THE EARLY AFTERNOON.  
LIGHT NORTHEAST FLOW WILL RETURN LATE TUESDAY NIGHT. MINIMUM  
RELATIVE HUMIDITY WILL BE AT OR BELOW 10% THROUGH WEDNESDAY  
WITH POOR OVERNIGHT RECOVERY IN THE 20-25% RANGE ANTICIPATED.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND  
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 55.  
MIN HUMIDITY........5-10 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 11 MPH IN THE MORNING,  
SHIFTING TO THE SOUTHEAST 5 TO 8 MPH IN  
THE EARLY AFTERNOON.  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 31.  
MAX HUMIDITY........22-25 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING,  
SHIFTING TO THE NORTHEAST 5 TO 10 MPH AFTER  
MIDNIGHT.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........6-10 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH.  
 
 
FORECASTER...MS  
REQUESTED BY...JUSTIN HENDERSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2500944.0/PSR  
.DELDT 01/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JUSTINHENDERSON@USDA.GOV  
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