839 
FNUS76 KSTO 020027
FWSSTO

Spot Forecast for Phoenix VMP...CAL FIRE
National Weather Service Sacramento CA
527 PM PDT Wed Oct 1 2025

Forecast is based on ignition time of 0600 PDT on October 02. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Light rain showers are expected during the early morning hours
before moving eastward over the mountains. There will be brief
lull in active weather before chances for wetting rains return
late Thursday into early Friday morning with showers and isolated
thunderstorm chances (15-20% chance). Current forecast give a
55-65% chance of seeing rain totals greater than 0.10" on
Thursday. Otherwise, onshore flow continues Thursday with south 
winds and gusts up to 15 mph in the afternoon.

Thursday will see a slight drying trend begin with overall drying
continuing more earnestly into the weekend.

.THURSDAY...

Sky/weather.........Mostly cloudy. Chance of rain showers in the 
                    morning and early afternoon, then slight chance 
                    of rain showers late in the afternoon. Chance 
                    of rain showers late in the afternoon. 
Max temperature.....62-66. 
Min humidity........79-83 percent. 
Wind (20 ft)........ 
 Slope/valley.......Light winds becoming south 5 to 8 mph in the 
                    afternoon
 Ridgetop...........South 7 to 8 mph. 
Mixing height.......2200 ft AGL. 
Transport winds.....South 7 to 8 mph. 
CWR.................26 percent decreasing to 13 percent late in the 
                    morning, then increasing to 35 percent late in 
                    the afternoon. 
Chance of thunder...12 percent. 

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky cover.......MC  MC  MC  MC  CDY CDY CDY MC  CDY MC  MC  MC  
CWR.............30  30  30  30  30  10  10  10  10  10  10  40  
Chc of thdr (%).10  10  0   0   0   10  10  10  10  10  10  10  
Temp............57  56  57  60  62  61  62  62  63  64  64  64  
RH..............100 99  98  91  93  94  95  92  89  86  83  82  
SL/VL wind dir..S   S   S   S   S   S   S   S   S   S   S   S   
SL/VL wind spd..2   2   2   2   3   3   5   5   5   5   5   3   
SL/VL wind gust.6   6   7   7   8   8   10  10  10  10  10  9   
Ridge wind dir..S   S   S   S   S   S   S   S   S   S   S   S   
Ridge wind spd..8   8   8   8   8   8   8   8   8   8   8   7    
Mix hgt (kft)...0.2 0.2 0.6 0.6 0.6 1.3 1.3 1.3 2.2 2.2 2.2 1.2 
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S   
Transp wind spd.8   8   8   8   8   8   8   8   8   8   8   7   

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy. Chance of rain showers through 
                    the night. Slight chance of thunderstorms late 
                    in the evening. 
Min temperature.....48-52. 
Max humidity........95-99 percent. 
Wind (20 ft)........ 
 Slope/valley.......Light winds. Gusty and erratic winds expected 
                    near thunderstorms late in the evening. 
 Ridgetop...........South around 7 mph shifting to light east winds 
                    early in the evening, then shifting to the 
                    southeast 5 to 7 mph overnight. 
Mixing height.......0 ft AGL. 
Transport winds.....South around 7 mph shifting to light east winds 
                    early in the evening, then shifting to the 
                    southeast 5 to 7 mph overnight. 
CWR.................35 percent decreasing to 22 percent early in 
                    the morning. 
Chance of thunder...18 percent. 

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Sky cover.......MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  
CWR.............40  40  40  40  40  30  30  30  30  30  30  20  
Chc of thdr (%).10  10  10  10  10  20  20  20  20  20  20  10  
Temp............62  61  57  57  56  55  55  54  54  53  53  52  
RH..............84  87  97  97  97  97  97  97  97  97  97  97  
SL/VL wind dir..S   S   E   E   E   NE  NE  NE  E   E   E   E   
SL/VL wind spd..3   3   2   2   2   1   1   1   1   1   1   2   
SL/VL wind gust.9   9   5   5   5   2   2   2   3   3   3   3   
Ridge wind dir..S   S   NE  NE  NE  E   E   E   S   S   S   SE 
Ridge wind spd..7   7   3   3   3   6   6   6   6   6   6   5    
Mix hgt (kft)...1.2 1.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 
Transp wind dir.S   S   NE  NE  NE  E   E   E   S   S   S   SE  
Transp wind spd.7   7   3   3   3   6   6   6   6   6   6   5   

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Clear. Lows in the upper 40s. Highs in the lower 70s. Light
winds. 
.SUNDAY...
Mostly clear. Lows in the lower 50s. Highs in the lower 70s.
Northeast winds around 5 mph. 
.MONDAY...
Mostly clear. Lows in the lower 50s. Highs in the lower 70s. East
winds around 5 mph. 

$$
Forecaster...DA
Requested by...Matthew Brady
Type of request...PRESCRIBED
.TAG 2522862.0/STO
.DELDT 10/01/25
.FormatterVersion 2.0.0
.EMAIL Matthew.Brady@fire.ca.gov