759
FNUS76 KSTO 040348
FWSSTO
SPOT FORECAST FOR BIG BLUFF VMP...CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
848 PM PDT SAT OCT 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON OCTOBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT WEDNESDAY
DISCUSSION
CONTINUED HOT AND DRY WEATHER EXPECTED WITH AFTERNOON HIGHS IN THE
UPPER 90S AND DAYTIME HUMIDITIES IN THE UPPER TEENS. WINDS WILL BE
DIRUNRAL AND TERRAIN DRIVEN WITH WEST-NORTHWEST WINDS IN THE
MORNINGS, TURNING TOWARDS THE SOUTH IN THE AFTERNOON. THE HEAT AND
DRY CONDITIONS ARE EXPECTED TO LAST THROUGH THURSDAY BEFORE
COOLING AND INCREASED MOISTURE INTO THE WEEKEND.
TUESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....95-99.
MIN HUMIDITY........14-18 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST 4 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT IN THE AFTERNOON.
RIDGETOP...........NORTHWEST 6 TO 10 MPH SHIFTING TO THE SOUTHEAST 4
TO 7 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH SHIFTING TO THE SOUTHEAST 4
TO 7 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR
TEMP............74 84 93 96 97
RH..............32 25 19 17 16
SL/VL WIND......W 5 NW 5 NE 3 SE 5 SE 5
SL/VL WIND GUST.7 7 8 10 10
RIDGETOP WIND...NW 8 NW 8 N 6 SE 6 SE 6
MIX HGT (FT)....200 200 3000 5800 5800
TRANSPORT WIND..NW 8 NW 8 N 6 SE 6 SE 6
TUESDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....70-74.
MAX HUMIDITY........30-34 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTHEAST 5 TO 10 MPH SHIFTING TO THE WEST
IN THE EVENING, THEN THE NORTHWEST EARLY
MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH SHIFTING TO THE WEST
IN THE EVENING, THEN THE NORTHWEST EARLY
MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR
TEMP............91 84 81 79 77 76
RH..............20 26 27 28 29 28
SL/VL WIND......SE 3 W 5 W 5 NW 3 NW 3 NW 3
SL/VL WIND GUST.8 8 8 6 5 5
RIDGETOP WIND...SE 7 W 8 W 8 NW 6 NW 6 NW 6
MIX HGT (FT)....4600 400 400 500 500 500
TRANSPORT WIND..SE 7 W 8 W 8 NW 6 NW 6 NW 6
WEDNESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....94-98.
MIN HUMIDITY........14-18 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHWEST 5 TO 10 MPH SHIFTING TO THE EAST
LATE IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST LATE IN THE AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
LATE IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR
TEMP............74 79 93 96
RH..............30 28 19 17
SL/VL WIND......NW 3G5 NW 3G6 NE 3G7 SE 5G9
RIDGETOP WIND...NW 7 NW 7 E 5 SE 7
MIX HGT (FT)....500 200 2200 4100
TRANSPORT WIND..NW 7 NW 7 E 5 SE 7
FORECAST DAYS 3 THROUGH 5
THURSDAY
CLEAR. LOWS IN THE LOWER 70S. HIGHS IN THE MID 90S. LIGHT WINDS.
FRIDAY
CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S. LIGHT
WINDS.
SATURDAY
NOT AS WARM. MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER
70S. LIGHT WINDS.
FORECASTER...DA
REQUESTED BY...RDSII
TYPE OF REQUEST...PRESCRIBED
.TAG 2622675.0/STO
.DELDT 10/04/26
.FORMATTERVERSION 2.0.0
.EMAIL TRANG.NGUYEN@FIRE.CA.GOV,GABRIEL.TRULL@FIRE.CA.GOV
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