436
FNUS76 KSTO 012343
FWSSTO
SPOT FORECAST FOR TRAILHEAD RX BURN...CALIFORNIA STATE PARKS
NATIONAL WEATHER SERVICE SACRAMENTO CA
443 PM PDT THU OCT 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY, DRY, AND UNSEASONABLY WARM WEATHER EXPECTED AT THE
BURN SITE FRIDAY INTO THE WEEKEND. EXPECT PATCHY SMOKE A TIMES,
MAINLY IN THE EVENING INTO THE MORNING, ORIGINATING FROM THE DOME
FIRE. HIGHS IN THE 80S WITH DAYTIME HUMIDITIES DROPPING INTO THE
TEENS FRIDAY AND SATURDAY. LOWS WILL BE IN THE LOW TO MID 60S
WITH POOR OVERNIGHT HUMIDITY RECOVERIES IN THE 30S. WINDS WILL
PRIMARILY BE LIGHT AND TERRAIN DRIVEN OVER THE NEXT COUPLE OF
DAYS. THERE ARE NO PRECIPITATION OR THUNDERSTORM CHANCES IN THE
FORECAST PERIOD FOR THE AREA.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY. HAZE
AND SMOKE EARLY MORNING.
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........15-19 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 7 MPH EARLY IN THE MORNING
THEN BECOMING SOUTHWEST UP TO 5 MPH EARLY
IN THE AFTERNOON.
RIDGETOP...........SOUTH 7 TO 10 MPH.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH SHIFTING TO THE WEST
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR PC PC MC MC MC MC MC
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............64 68 75 79 81 82 83 81 80 78
RH..............31 29 23 21 19 19 20 21 22 25
SL/VL WIND DIR..E E S S SW SW SW SW SW NW
SL/VL WIND SPD..7 6 3 3 3 5 5 5 3 1
SL/VL WIND GUST.15 12 7 8 10 10 12 10 8 6
RIDGE WIND DIR..SE SE SE S S S SW SW SW W
RIDGE WIND SPD..7 7 7 10 10 10 9 9 9 2
MIX HGT (KFT)...1.5 1.5 1.5 4.9 4.9 4.9 4.7 4.7 4.7 1.4
TRANSP WIND DIR.SE SE SE S S S SW SW SW W
TRANSP WIND SPD.7 7 7 10 10 10 9 9 9 2
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. HAZE
AND SMOKE.
MIN TEMPERATURE.....63-67.
MAX HUMIDITY........29-33 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST 5 TO 9 MPH WITH
GUSTS TO AROUND 20 MPH EARLY IN THE EVENING.
RIDGETOP...........WEST 2 MPH TO NORTHEAST 9 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 2 MPH SHIFTING TO THE NORTHEAST 7
TO 9 MPH 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.......MC MC PC PC PC PC PC PC PC PC PC 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............74 70 67 66 67 67 67 67 66 66 66 66
RH..............30 31 33 33 31 30 29 28 28 29 28 28
SL/VL WIND DIR..NW NW NE NE NE NE NE NE NE NE NE NE
SL/VL WIND SPD..1 1 9 9 9 6 6 6 6 6 6 7
SL/VL WIND GUST.6 6 20 20 20 12 12 12 10 10 10 12
RIDGE WIND DIR..W W NE NE NE E E E NE NE NE NE
RIDGE WIND SPD..2 2 9 9 9 7 7 7 9 9 9 9
MIX HGT (KFT)...1.4 1.4 0.3 0.3 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W NE NE NE E E E NE NE NE NE
TRANSP WIND SPD.2 2 9 9 9 7 7 7 9 9 9 9
SATURDAY
SKY/WEATHER.........SUNNY. HAZE AND SMOKE EARLY MORNING.
MAX TEMPERATURE.....83-87.
MIN HUMIDITY........16-20 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 6 MPH
LATE IN THE AFTERNOON BECOMING LIGHT.
RIDGETOP...........NORTHEAST 9 MPH TO SOUTHWEST 9 MPH.
MIXING HEIGHT.......6900 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 9 MPH SHIFTING TO THE
SOUTHWEST 6 TO 9 MPH LATE IN THE MORNING, THEN
SHIFTING TO THE WEST AROUND 8 MPH LATE IN THE
AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR 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............65 65 65 70 76 81 83 84 84 84 83 80
RH..............27 29 31 28 24 20 19 18 19 20 21 23
SL/VL WIND DIR..NE NE E E E SW SW SW W W W W
SL/VL WIND SPD..7 7 8 8 8 2 2 2 6 6 6 3
SL/VL WIND GUST.12 12 16 16 16 3 3 3 13 13 13 10
RIDGE WIND DIR..NE NE NE NE NE SW SW SW SW SW SW W
RIDGE WIND SPD..9 9 9 9 9 6 6 6 9 9 9 8
MIX HGT (KFT)...0.5 0.5 0.4 0.4 0.4 6.1 6.1 6.1 6.9 6.9 6.9 5.0
TRANSP WIND DIR.NE NE NE NE NE SW SW SW SW SW SW W
TRANSP WIND SPD.9 9 9 9 9 6 6 6 9 9 9 8
FORECASTER...EK
REQUESTED BY...WILLIAM GEER
TYPE OF REQUEST...PRESCRIBED
.TAG 2622938.0/STO
.DELDT 10/01/26
.FORMATTERVERSION 2.0.0
.EMAIL BEN.JACOBS@PARKS.CA.GOV,RICHARD.RAPPAPORT@PARKS.CA.GOV,WILLIAM.GEER@PARKS.CA.GOV
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