437
FNUS76 KSTO 261515
FWSSTO
SPOT FORECAST FOR CALFIRE/EBMUD TRAINING RX BURN...EBMUD/CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
815 AM PDT TUE MAY 26 2026
FORECAST IS BASED ON IGNITION TIME OF 0500 PDT ON MAY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CLOUD COVERAGE WILL BE PARTLY SUNNY THROUGH THE MID AFTERNOON,
WITH MOSTLY SUNNY CONDITIONS 2-7PM. LOW CHANCE (LESS THAN 10
PERCENT) FOR AN ISOLATED SHOWER OR STRAY THUNDERSTORM THIS
AFTERNOON/EVENING. WINDS WILL BE OUT OF THE SOUTHWEST AT 5-8MPH
THIS MORNING, SHIFTING TOWARD THE WEST BY THE AFTERNOON. SAME
DIRECTION, SPEED, AND TIMING OF THE WINDS ON WEDNESDAY. SLIGHT
CHANCE (LESS THAN 10 PERCENT) OF AN AFTERNOON SHOWER OR ISOLATED
THUNDERSTORM WEDNESDAY. OTHERWISE, CONDITIONS WILL BE MOSTLY SUNNY
THROUGH THE DAY, WITH TEMPERATURES IN THE 70S.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY SUNNY THEN BECOMING MOSTLY
SUNNY THEN BECOMING SUNNY THEN BECOMING MOSTLY
SUNNY.
MAX TEMPERATURE.....70-74.
MIN HUMIDITY........37-41 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS UP TO 7 MPH SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 15 TO 20 MPH SHIFTING TO THE WEST 14
TO 20 MPH IN THE LATE MORNING AND EARLY
AFTERNOON, THEN SHIFTING TO THE NORTHWEST 13 TO
15 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......7200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH SHIFTING TO THE WEST 8 TO
9 MPH LATE IN THE AFTERNOON.
CWR.................2 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
TIME (PDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC PC PC MC MC PC PC MCR MCR PC PC
CWR.............0 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 10
TEMP............54 54 52 55 57 60 62 64 67 68 70 71 70
RH..............83 83 84 81 73 65 58 56 51 47 43 41 39
SL/VL WIND DIR..S S S S S SW SW W W W W W W
SL/VL WIND SPD..5 6 6 7 6 6 5 6 7 7 7 7 7
SL/VL WIND GUST.8 9 10 10 10 10 10 10 10 10 10 10 10
RIDGE WIND DIR..SW SW SW W W W W W W W W NW NW
RIDGE WIND SPD..25 25 20 20 20 20 18 18 16 14 14 15 16
MIX HGT (KFT)...1.5 1.5 1.5 3.3 3.3 3.3 5.3 5.3 5.3 7.2 7.2 7.2 6.6
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W W W
TRANSP WIND SPD.8 8 8 8 8 8 7 7 7 8 8 8 9
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR THEN
BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........88-92 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 7 MPH IN THE EVENING BECOMING
LIGHT.
RIDGETOP...........NORTH 8 TO 15 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 9 MPH SHIFTING TO THE SOUTH 3 TO 5
MPH OVERNIGHT.
CWR.................2 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC MCR MCR MCR MCR CLR MCR PC MC MC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............70 70 67 63 61 59 57 55 54 52 52 51
RH..............40 39 50 60 67 72 78 80 84 88 89 90
SL/VL WIND DIR..W W W W W W SW S S S S S
SL/VL WIND SPD..7 6 6 5 5 5 5 3 3 2 2 3
SL/VL WIND GUST.12 12 10 9 9 9 8 6 6 5 5 7
RIDGE WIND DIR..NW N N N N N N N N N N N
RIDGE WIND SPD..13 13 13 13 12 10 10 10 10 9 8 8
MIX HGT (KFT)...6.6 6.6 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.7
TRANSP WIND DIR.W W W W W SW SW SW S S S S
TRANSP WIND SPD.9 9 9 9 9 8 8 8 5 5 5 3
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....73-77.
MIN HUMIDITY........36-40 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 6 MPH
EARLY IN THE MORNING, THEN SHIFTING TO THE WEST
LATE IN THE AFTERNOON.
RIDGETOP...........NORTHWEST 7 TO 14 MPH SHIFTING TO THE WEST 7 TO
8 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......8100 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 6 MPH SHIFTING TO THE NORTHWEST
AROUND 7 MPH LATE IN THE AFTERNOON.
CWR.................3 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC 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 10 10 10
TEMP............50 52 55 57 63 65 68 70 73 73 73 74
RH..............90 86 81 72 63 56 52 46 42 39 38 38
SL/VL WIND DIR..S S S S S SW SW SW W W W NW
SL/VL WIND SPD..3 3 5 5 5 6 6 6 5 5 5 6
SL/VL WIND GUST.7 7 8 8 8 10 10 10 10 10 10 10
RIDGE WIND DIR..N N N N N N NW NW NW NW W W
RIDGE WIND SPD..8 9 10 12 14 14 12 9 7 7 7 8
MIX HGT (KFT)...0.7 0.7 2.1 2.1 2.1 5.1 5.1 5.1 8.1 8.1 8.1 8.0
TRANSP WIND DIR.S S S S S S S S W W W NW
TRANSP WIND SPD.3 3 5 5 5 6 6 6 6 6 6 7
FORECASTER...JS
REQUESTED BY...EBMUD BURN BOSS
TYPE OF REQUEST...PRESCRIBED
.TAG 2614150.1/STO
.DELDT 05/26/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.FREDRICK@FIRE.CA.GOV,BBOURLAN@EBMUD.COM
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