213
FNUS76 KSTO 081913
FWSSTO
SPOT FORECAST FOR PHOENIX VMP...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1213 PM PDT WED APR 8 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THURSDAY WILL START DRY AND SUNNY, BUT WILL SEE INCREASING CHANCES FOR
LIGHT PRECIPITATION AND THUNDERSTORMS THROUGHOUT THE DAY. WINDS WILL BE
SOUTHERLY AND RELATIVELY LIGHT (GENERALLY LESS THAN 12 MPH) BOTH THURSDAY
AND FRIDAY, THOUGH GUSTY AND ERRATIC WINDS WILL OCCUR NEAR ANY THUNDERSTORMS.
RAINFALL ONSET ON THURSDAY WILL BE AROUND 4 TO 6PM, WITH ONLY LIGHT RAIN
OUTSIDE OF THUNDERSTORMS THAT OCCUR. GENERALLY LESS THAN A TENTH OF AN INCH
IS FORECAST TO FALL BETWEEN THURSDAY AND OVERNIGHT FRIDAY. MORE MODERATE
RAINFALL BEGINS FRIDAY LATE IN THE MORNING/EARLY IN THE AFTERNOON, AND WILL
CONTINUE THROUGH SATURDAY EVENING. THUNDERSTORM CHANCES ON BOTH THURSDAY,
FRIDAY, AND SATURDAY ARE AROUND 20 TO 35%, AND ARE HIGHEST BETWEEN 11AM AND
8PM EACH DAY. THUNDERSTORM HAZARDS WILL INCLUDE LIGHTNING, BRIEF HEAVY RAIN,
GUSTY AND ERRATIC WINDS, AND HAIL (POTENTIALLY UP TO 1 INCH IN DIAMETER).
RAIN TOTALS BETWEEN FRIDAY AND SUNDAY ARE FORECAST TO BE BETWEEN 2 TO 2.5
INCHES, BUT COULD BE LOCALLY HIGHER IN AREAS AFFECTED BY THUNDERSTORMS.
GUSTY SOUTHERLY WINDS ON SATURDAY AS WELL AS THE FRONT PASSES THROUGH,
GENERALLY 20 TO 25 MPH AND STRONGEST GUSTS EXPECTED IN THE MORNING.
STRONGER GUSTS POSSIBLE IN ANY TYPICAL DOWN-CANYON WIND AREAS.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS STARTING
LATE IN THE MORNING, WITH INCREASING CHANCES IN THE
AFTERNOON.
MAX TEMPERATURE.....71-77.
MIN HUMIDITY........46-50 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 7 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS STARTING LATE IN THE MORNING
AND CONTINUING THROUGH THE AFTERNOON.
RIDGETOP...........SOUTH 6 TO 13 MPH.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.
CWR.................5 PERCENT INCREASING TO 25 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...32 PERCENT.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC PC MC MC MC MC
CWR.............0 0 10 10 10 10 10 10 30
CHC OF THDR (%).10 10 20 20 20 30 30 30 30
TEMP............61 65 67 70 71 73 74 75 74
RH..............76 68 68 64 60 56 52 48 48
SL/VL WIND DIR..S S S S S S S S S
SL/VL WIND SPD..2 5 6 6 6 6 7 7 6
SL/VL WIND GUST.7 9 12 13 13 14 14 14 13
RIDGE WIND DIR..S S S S S S S S S
RIDGE WIND SPD..6 6 8 8 8 13 13 13 12
MIX HGT (KFT)...1.1 1.1 2.8 2.8 2.8 4.4 4.4 4.4 3.3
TRANSP WIND DIR.S S S S S S S S S
TRANSP WIND SPD.6 6 8 8 8 13 13 13 12
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS EARLY IN THE EVENING, THEN
RAIN LIKELY EARLY IN THE EVENING.
MIN TEMPERATURE.....50-56.
MAX HUMIDITY........94-98 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 6 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING.
RIDGETOP...........SOUTH 8 TO 12 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
CWR.................25 PERCENT INCREASING TO 42 PERCENT LATE IN THE
EVENING.
CHANCE OF THUNDER...31 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.............30 30 30 30 30 40 40 40 40 40 40 40
CHC OF THDR (%).30 30 10 10 10 10 10 10 10 10 10 10
TEMP............73 70 64 63 61 59 58 58 57 57 56 56
RH..............49 56 66 72 77 81 86 90 93 95 97 97
SL/VL WIND DIR..S S S S S SE SE SE SE SE SE SE
SL/VL WIND SPD..6 6 5 5 5 3 3 3 3 3 3 2
SL/VL WIND GUST.13 13 10 10 10 7 7 7 7 7 7 6
RIDGE WIND DIR..S S S S S S S S SE SE SE SE
RIDGE WIND SPD..12 12 8 8 8 8 8 8 8 8 8 8
MIX HGT (KFT)...3.3 3.3 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.4
TRANSP WIND DIR.S S S S S S S S SE SE SE SE
TRANSP WIND SPD.12 12 8 8 8 8 8 8 8 8 8 8
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS.
MAX TEMPERATURE.....62-66.
MIN HUMIDITY........72-76 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH AROUND 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE MORNING AND CONTINUING
THROUGH THE AFTERNOON.
RIDGETOP...........SOUTH 8 TO 12 MPH.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
CWR.................36 PERCENT INCREASING TO 75 PERCENT LATE IN THE
MORNING, THEN DECREASING TO 58 PERCENT LATE IN
THE AFTERNOON.
CHANCE OF THUNDER...32 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC MC CDY CDY CDY CDY CDY CDY MC
CWR.............40 40 40 40 40 80 80 80 80 80 80 60
CHC OF THDR (%).10 10 10 10 10 30 30 30 30 30 30 20
TEMP............55 55 56 57 59 61 62 62 62 62 62 62
RH..............97 95 93 89 85 82 82 83 83 80 77 75
SL/VL WIND DIR..SE SE S S S S S S S S S S
SL/VL WIND SPD..2 2 3 3 3 6 6 6 7 7 7 6
SL/VL WIND GUST.6 6 8 8 8 12 12 12 14 14 14 14
RIDGE WIND DIR..SE SE S S S S S S S S S S
RIDGE WIND SPD..8 8 9 9 9 12 12 12 10 10 10 10
MIX HGT (KFT)...0.4 0.4 0.7 0.7 0.7 3.2 3.2 3.2 3.8 3.8 3.8 2.2
TRANSP WIND DIR.SE SE S S S S S S S S S S
TRANSP WIND SPD.8 8 9 9 9 12 12 12 10 10 10 10
FORECAST DAYS 3 THROUGH 5
SATURDAY
SHOWERS AND CHANCE OF THUNDERSTORMS (UP TO 25%). LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 8 MPH WITH GUSTS UP TO 25 MPH.
SUNDAY
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS (UP TO 20%). LOWS IN THE MID
40S. HIGHS IN THE MID 50S. SOUTHEAST WINDS AROUND 8 MPH.
MONDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 40S. HIGHS IN
THE LOWER 60S. LIGHT WINDS.
FORECASTER...SP
REQUESTED BY...MATTHEW BRADY
TYPE OF REQUEST...PRESCRIBED
.TAG 2609608.0/STO
.DELDT 04/08/26
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.BRADY@FIRE.CA.GOV
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