502
FNUS76 KSTO 220342
FWSSTO
SPOT FORECAST FOR DOE MILL PILE BURN...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
842 PM PDT TUE APR 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SLIGHT CHANCE FOR RAIN THROUGH 2PM, WITH FORECASTED AMOUNTS UP TO
0.20 INCHES. CONDITIONS SLOWLY DRY OUT IN THE AFTERNOON, WITH
MOSTLY CLEAR SKIES BY THE EVENING HOURS. WINDS WILL BE OUT OF THE
SOUTH AT 5-15MPH FOR THE RIDGETOP AND 5-7MPH AT THE SLOPE/VALLEY.
WINDS IN THE VALLEY/SLOPE BECOME LIGHT IN THE EVENING AND STAY
LIGHT OVERNIGHT. WINDS WILL SLOWLY TURN TOWARD THE WEST THURSDAY
LATE MORNING AT 5-8MPH. ALONG THE RIDGETOP WINDS WILL BE TERRAIN
DRIVEN AND AROUND 5-7MPH THURSDAY. CONDITIONS ARE EXPECTED TO BE
DRY WEDNESDAY NIGHT INTO THURSDAY WITH CLEAR SKIES AND MIN RH
VALUES IN THE UPPER 30S TO LOWER 40S. CHANCE FOR LIGHT PRECIP
LATE SATURDAY INTO THE EARLY PORTIONS OF NEXT WEEK.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF RAIN EARLY IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN LATE IN THE MORNING.
SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.
MAX TEMPERATURE.....54-58.
MIN HUMIDITY........52-56 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 6 MPH BECOMING LIGHT.
RIDGETOP...........SOUTH 6 TO 14 MPH.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH.
CWR.................6 PERCENT.
CHANCE OF THUNDER...8 PERCENT.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC PC MC PC MCR PC MCR
CWR.............10 10 10 10 10 10 10 10 10 0
CHC OF THDR (%).0 0 0 10 10 10 0 0 0 0
TEMP............45 46 46 47 48 50 52 54 54 55
RH..............85 83 82 80 76 71 65 62 58 55
SL/VL WIND DIR..SE SE S S S S S S S S
SL/VL WIND SPD..5 5 5 6 6 6 6 6 5 3
SL/VL WIND GUST.12 12 12 12 12 12 12 10 10 8
RIDGE WIND DIR..W W W W W W W W W W
RIDGE WIND SPD..15 15 10 10 10 10 10 10 15 15
MIX HGT (KFT)...1.6 1.6 1.6 3.1 3.1 3.1 4.3 4.3 4.3 3.7
TRANSP WIND DIR.S S S S S S S S S SW
TRANSP WIND SPD.14 14 14 12 12 12 6 6 6 6
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....42-46.
MAX HUMIDITY........68-72 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........WEST 5 TO 6 MPH SHIFTING TO THE NORTHEAST 6 TO
7 MPH LATE IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH SHIFTING TO THE WEST 5
TO 6 MPH IN THE EVENING, THEN SHIFTING TO THE
NORTHEAST 6 TO 7 MPH LATE IN THE EVENING.
CWR.................1 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR PC PC PC MCR MCR MCR 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............56 54 52 50 49 48 47 47 46 46 45 45
RH..............56 60 64 67 70 71 71 69 68 68 69 69
SL/VL WIND DIR..S S SW SW SW NE NE NE NE NE NE NE
SL/VL WIND SPD..3 3 2 2 2 2 2 2 3 3 3 3
SL/VL WIND GUST.8 8 5 5 5 6 6 6 7 7 7 8
RIDGE WIND DIR..W NW NW NW NW NW NW NW N NW NW NW
RIDGE WIND SPD..6 6 5 5 5 6 6 6 7 7 7 7
MIX HGT (KFT)...3.7 3.7 0.3 0.3 0.3 0.2 0.2 0.2 0.3 0.3 0.3 0.2
TRANSP WIND DIR.SW SW W W W NE NE NE NE NE NE N
TRANSP WIND SPD.6 6 5 5 5 6 6 6 7 7 7 7
THURSDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....63-67.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST UP TO 6 MPH LATE IN
THE MORNING.
RIDGETOP...........NORTH 6 TO 7 MPH SHIFTING TO THE NORTHWEST LATE
IN THE MORNING.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 7 MPH SHIFTING TO THE NORTHWEST 6
TO 7 MPH LATE IN THE MORNING.
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 CLR CLR CLR CLR CLR CLR CLR CLR CLR 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............45 47 49 51 54 57 59 61 63 64 65 65
RH..............68 65 62 58 54 51 50 50 49 43 40 39
SL/VL WIND DIR..NE NE NE NE NE W W W W W W W
SL/VL WIND SPD..3 3 2 2 2 5 5 5 6 6 6 5
SL/VL WIND GUST.8 8 8 8 8 8 8 8 7 7 7 7
RIDGE WIND DIR..N N N N N N N N N N N N
RIDGE WIND SPD..7 7 6 6 6 6 6 6 7 7 7 6
MIX HGT (KFT)...0.2 0.2 0.8 0.8 0.8 2.8 2.8 2.8 3.8 3.8 3.8 3.2
TRANSP WIND DIR.N N N N N NW NW NW W W W W
TRANSP WIND SPD.7 7 6 6 6 6 6 6 7 7 7 6
FORECASTER...JS
REQUESTED BY...MATTHEW BRADY
TYPE OF REQUEST...PRESCRIBED
.TAG 2610674.1/STO
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.FINNEY@FIRE.CA.GOV,MIKE.BATHAM@FIRE.CA.GOV,JEFF.EDSON@FIRE.CA.GOV,MATTHEW.BRADY@FIRE.CA.GOV
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