121
FNUS76 KSTO 232235
FWSSTO
SPOT FORECAST FOR WHITTLE VMP...CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
335 PM PDT TUE JUN 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON JUNE 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL AT THE SPOT LOCATION
THROUGH THE WEEK. DAY-TO-DAY TEMPERATURES AND HUMIDITIES WILL REMAIN
RATHER STABLE THROUGH THURSDAY, THEN FOLLOWED BY A NOTICEABLE
COOLING TREND ON FRIDAY AND SATURDAY. WINDS WILL REMAIN
DIRUNALLY-DRIVEN ON WEDNESDAY, WITH INCREASING ONSHORE/WESTERLY
WINDS ARRIVING BY FRIDAY. SOME GUSTS ON FRIDAY MAY GET STRONG,
PARTICULARLY ALONG EXPOSED RIDGELINES. NO PRECIPITATION IS
FORECAST OVER THE NEXT 7 DAYS.
WEDNESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....88-92.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH/NORTHEAST 4 TO 6 MPH IN THE MORNING,
BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON
WITH GUSTS NEAR 14 MPH.
RIDGETOP...........NORTHEAST 5 TO 10 MPH IN THE MORNING, BECOMING
WEST/SOUTHEAST 6 TO 12 MPH IN THE AFTERNOON
WITH GUSTS NEAR 16 MPH.
MIXING HEIGHT.......AROUND 400 FT AGL IN THE EARLY MORNING, RISING
TO AROUND 5100 FT AGL BY MOD-DAY.
TRANSPORT WINDS.....WEST 6 TO 8 MPH INCREASING TO 8 TO 9 MPH LATE
IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 8 AM NOON 4 PM
SKY COVER.......CLEAR CLEAR CLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............73 84 88
RH..............39 24 21
SL/VL WIND......NE 6 W 8G14 W 8G14
RIDGETOP WIND...NE 9 SW 11G15 SW 12G16
MIX HGT (FT)....1300 3200 5100
TRANSPORT WIND..NW 6 W 8 W 8
WEDNESDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....65-69.
MAX HUMIDITY........44-49 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST 5 TO 10 MPH IN THE EVENING, BECOMING
NORTH/NORTHEAST 3 TO 6 MPH OVERNIGHT
RIDGETOP...........SOUTHWEST 7 TO 14 MPH IN THE EVENING, BECOMING
NORTH/NORTHEAST 5 TO 10 MPH OVERNIGHT.
MIXING HEIGHT.......LOWERING TO AROUND 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 9 TO 10 MPH SHIFTING TO THE NORTH 6
TO 9 MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 10 PM 2 AM
SKY COVER.......CLEAR CLEAR CLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............88 75 69
RH..............21 34 42
SL/VL WIND......W 10 NW 10 NE 6
RIDGETOP WIND...SW 14 NW 13 N 10
MIX HGT (FT)....4000 500 400
TRANSPORT WIND..W 9 NW 10 N 8
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....86-91.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST 3 TO 5 MPH IN THE MORNING, BECOMING
WEST 5 TO 10 MPH IN THE AFTERNOON WITH GUSTS
NEAR 14 MPH.
RIDGETOP...........NORTHEAST 5 TO 10 MPH IN THE MORNING, BECOMING
WEST/SOUTHEAST 7 TO 13 MPH IN THE AFTERNOON
WITH GUSTS NEAR 17 MPH.
MIXING HEIGHT.......RISING TO AROUND 5000 FT AGL BY MID-DAY.
TRANSPORT WINDS.....NORTH AROUND 6 MPH SHIFTING TO THE SOUTHWEST 5
TO 9 MPH EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 10 AM 2 PM
SKY COVER.......CLEAR CLEAR CLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............67 79 85
RH..............48 33 23
SL/VL WIND......NE 4 NW 5 W 9G14
RIDGETOP WIND...N 10 NW 10 SW 13G17
MIX HGT (FT)....400 900 5000
TRANSPORT WIND..N 6 SW 5 SW 9
FORECASTER...SR
REQUESTED BY...CHRIS MORSE
TYPE OF REQUEST...PRESCRIBED
.TAG 2615833.0/STO
.DELDT 06/24/26
.FORMATTERVERSION 2.0.0
.EMAIL CHRIS.MORSE@FIRE.CA.GOV
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