882  
FNUS76 KSTO 071856  
FWSSTO  
 
SPOT FORECAST FOR PHOENIX VMP...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1156 AM PDT TUE OCT 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1106 PDT ON OCTOBER 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
WARM AND DRY WEATHER CONTINUES THROUGH MID-WEEK WITH HIGH  
TEMPERATURES PEAKING TODAY AND SLIGHTLY COOLER WEDNESDAY, WITH  
HUMIDITY TRENDING HIGHER. WINDS ARE SHIFTING TO SOUTHWEST WINDS  
THIS AFTERNOON BEFORE DIMINISHING BY EVENING. BREEZIER SOUTHWEST  
WINDS ARE EXPECTED WEDNESDAY AFTERNOON AS ONSHORE FLOW INCREASES  
AHEAD OF AN APPROACHING SYSTEM. THIS SYSTEM WILL ALSO BRING  
CHANCES FOR LIGHT PRECIPITATION LATE IN THE WEEK, AS WELL AS MUCH  
COOLER TEMPERATURES.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....80-84.  
MIN HUMIDITY........24-28 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH WITH GUSTS TO 15 MPH EARLY MORNING,  
NORTHEAST 4 TO 7 MID-MORNING, BECOMING LIGHT AROUND NOON, THEN  
SOUTHWEST 5 TO 9 MPH EARLY TO MID-AFTERNOON THEN BECOMING LIGHT  
BY EARLY EVENING.  
RIDGETOP...........EAST AROUND 6 MPH SHIFTING TO THE SOUTHWEST 3  
TO 6 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 6 MPH SHIFTING TO THE SOUTHWEST 3  
TO 6 MPH LATE IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR  
CWR.............0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0  
TEMP............67 74 77 79 80 81 82 81 81  
RH..............36 32 31 29 28 27 26 26 26  
SL/VL WIND DIR..NE W W W W SW SW SW SW  
SL/VL WIND SPD..6 3 2 3 3 5 5 3 2  
SL/VL WIND GUST.10 8 6 7 9 9 9 8 6  
RIDGE WIND DIR..S S S S S S S S S  
RIDGE WIND SPD..10 10 10 15 15 17 15 12 10  
MIX HGT (KFT)...0.3 0.3 1.8 1.8 1.8 3.4 3.4 3.4 1.3  
TRANSP WIND DIR.E E W W W SW SW SW SW  
TRANSP WIND SPD.6 6 5 5 5 6 6 6 3  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....56-60.  
MAX HUMIDITY........45-49 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS IN THE EARLY EVENING BECOMING  
EAST 5 TO 8 MPH BY LATE EVENING.  
RIDGETOP...........SOUTHWEST AROUND 3 MPH SHIFTING TO THE EAST  
EARLY IN THE EVENING.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE EAST  
EARLY IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............78 74 69 67 66 64 65 63 63 62 61 60  
RH..............30 33 39 42 43 44 43 45 44 45 45 46  
SL/VL WIND DIR..SW SE E E E E E E E E E E  
SL/VL WIND SPD..2 2 5 5 5 5 5 5 5 6 6 6  
SL/VL WIND GUST.5 5 7 7 7 7 7 7 7 8 8 8  
RIDGE WIND DIR..S S S S S S SW SW SW SW SW SW  
RIDGE WIND SPD..10 10 10 10 10 10 10 15 15 15 15 15  
MIX HGT (KFT)...1.3 1.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.SW SW E E E E E E E E E E  
TRANSP WIND SPD.3 3 6 6 6 8 8 8 7 7 7 7  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....76-80.  
MIN HUMIDITY........33-37 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS UP TO 7 MPH SHIFTING TO THE  
SOUTHWEST 4 TO 7 MPH LATE IN THE MORNING,  
THEN SOUTHWEST 5 TO 9 MPH WITH GUSTS TO 14 MPH  
IN THE AFTERNOON AND EARLY EVENING.  
RIDGETOP...........SOUTHEAST 5 TO 7 MPH SHIFTING TO THE SOUTH 7 TO  
12 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 7 MPH SHIFTING TO THE SOUTH LATE IN  
THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR MCR  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............60 58 60 66 71 74 76 77 77 78 77 76  
RH..............47 49 46 39 36 35 34 34 34 34 34 37  
SL/VL WIND DIR..E E E E E SW SW SW SW SW SW S  
SL/VL WIND SPD..6 6 5 5 5 5 5 5 6 6 6 7  
SL/VL WIND GUST.8 8 8 8 8 9 9 9 14 14 14 15  
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW S S  
RIDGE WIND SPD..15 15 15 20 20 20 20 20 20 15 15 15  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 1.4 1.4 1.4 2.9 2.9 2.9 2.8  
TRANSP WIND DIR.E E SE SE SE S S S S S S S  
TRANSP WIND SPD.7 7 5 5 5 7 7 7 9 9 9 12  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY
 
 
COOLER. MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
60S. SOUTHEAST WINDS AROUND 8 MPH.    
FRIDAY
 
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 50. HIGHS IN THE  
MID 60S. SOUTHEAST WINDS AROUND 6 MPH.    
SATURDAY
 
 
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN  
THE MID 60S. EAST WINDS AROUND 5 MPH.  
 

 
FORECASTER...DA  
REQUESTED BY...MATTHEW BRADY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2522902.1/STO  
.DELDT 10/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHIP.FOWLER@FIRE.CA.GOV,JEFF.EDSON@FIRE.CA.GOV,JASON.DYER@FIRE.CA.GOV,MATTHEW.BRADY@FIRE.CA.GOV,SHANNON.THOMPSON@FIRE.CA.GOV,TIM.CASSONE@FIRE.CA.GOV  
 
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