505
FNUS76 KSTO 302206
FWSSTO
SPOT FORECAST FOR TRAILHEAD RX BURN...CALIFORNIA STATE PARKS
NATIONAL WEATHER SERVICE SACRAMENTO CA
306 PM PDT WED SEP 30 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 INTO THE WEEKEND. HIGHS IN THE 80S WITH DAYTIME HUMIDITIES
IN THE TEENS. LOWS IN THE LOW 60S WITH POOR OVERNIGHT RECOVERIES
IN THE 30S. WINDS WILL PRIMARILY BE LIGHT AND TERRAIN DRIVEN OVER
THE NEXT COUPLE OF DAYS, THOUGH WITH SOME BREEZY NORTHEAST WINDS
FRIDAY EVENING. THERE ARE NO PRECIPITATION OR THUNDERSTORM
CHANCES IN THE FORECAST PERIOD FOR THE BURN SITE.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........15-19 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST UP TO 5
MPH LATE IN THE AFTERNOON BECOMING LIGHT.
RIDGETOP...........EAST 9 MPH IN THE MORNING, SOUTHWEST TO 9 MPH
AFTERNOON.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 9 MPH SHIFTING TO THE SOUTH LATE IN
THE MORNING, THEN SHIFTING TO THE WEST AROUND 6
MPH 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.......PC PC PC PC PC PC PC PC PC PC
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 73 78 80 82 82 82 81 78
RH..............32 28 23 18 16 16 17 18 20 22
SL/VL WIND DIR..E E E S S S SW SW SW W
SL/VL WIND SPD..8 8 8 3 3 3 5 5 5 2
SL/VL WIND GUST.15 15 15 6 6 6 12 12 12 6
RIDGE WIND DIR..E E E S S S SW SW SW W
RIDGE WIND SPD..9 9 9 9 9 9 9 9 9 6
MIX HGT (KFT)...0.4 0.4 0.4 4.8 4.8 4.8 5.4 5.4 5.4 3.1
TRANSP WIND DIR.E E E S S S SW SW SW W
TRANSP WIND SPD.9 9 9 9 9 9 9 9 9 6
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....60-64.
MAX HUMIDITY........30-34 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 6 MPH EARLY EVENING, THEN NORTHEAST TO 9 MPH.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST AROUND 6 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.......PC PC PC PC PC PC PC PC PC PC PC PC
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............75 70 67 66 66 66 66 66 66 66 65 65
RH..............26 29 32 32 31 29 28 28 28 28 28 29
SL/VL WIND DIR..W W NE NE NE NE NE NE NE NE NE NE
SL/VL WIND SPD..2 2 9 9 9 6 6 6 6 6 6 6
SL/VL WIND GUST.6 6 20 20 20 12 12 12 9 9 9 10
RIDGE WIND DIR..W W NE NE NE NE NE NE NE NE NE E
RIDGE WIND SPD..6 6 9 9 9 7 7 7 9 9 9 9
MIX HGT (KFT)...3.1 3.1 0.2 0.2 0.2 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W NE NE NE NE NE NE NE NE NE E
TRANSP WIND SPD.6 6 9 9 9 7 7 7 9 9 9 9
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....83-87.
MIN HUMIDITY........17-21 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 12 MPH IN THE MORNING, SOUTHWEST 5
TO 7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......7900 FT AGL.
TRANSPORT WINDS.....NORTHEAST 9 TO 10 MPH SHIFTING TO THE
SOUTHWEST 8 TO 10 MPH LATE IN THE MORNING,
THEN SHIFTING TO THE EAST AROUND 9 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.......PC PC MC MC MC PC PC PC PC PC PC PC
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............63 62 63 68 75 81 83 84 83 83 82 79
RH..............31 32 32 29 24 20 19 19 20 21 22 24
SL/VL WIND DIR..NE NE NE NE NE SW SW SW W W W W
SL/VL WIND SPD..6 6 8 8 8 2 2 2 6 6 6 3
SL/VL WIND GUST.9 9 10 10 10 8 8 8 10 10 10 9
RIDGE WIND DIR..E E NE NE NE S S S SW SW SW W
RIDGE WIND SPD..12 12 10 10 9 8 7 6 5 5 5 5
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 6.8 6.8 6.8 7.9 7.9 7.9 4.8
TRANSP WIND DIR.E E NE NE NE S S S SW SW SW W
TRANSP WIND SPD.9 9 10 10 10 8 8 8 10 10 10 9
FORECASTER...EK
REQUESTED BY...WILLIAM GEER
TYPE OF REQUEST...PRESCRIBED
.TAG 2622865.0/STO
.DELDT 09/30/26
.FORMATTERVERSION 2.0.0
.EMAIL RICHARD.RAPPAPORT@PARKS.CA.GOV,BEN.JACOBS@PARKS.CA.GOV,WILLIAM.GEER@PARKS.CA.GOV
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