582
FNUS76 KSTO 181830
FWSSTO
SPOT FORECAST FOR DOE MILL PILE BURN...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1130 AM PDT SAT APR 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MONDAY MORNING WILL BEGIN WITH COOL, DRY, AND SUNNY CONDITIONS. WINDS
WILL BE BREEZY TO GUSTY AS THE STORM FRONT MOVES THROUGH THE AREA, WITH
SOUTHERLY GUSTS UP TO 21 MPH THROUGH THE AFTERNOON AND DECREASING THROUGHOUT
THE EVENING. CHANCES FOR RAIN WILL INCREASE THROUGHOUT THE DAY, WITH LIGHT
SHOWERS EXPECTED TO START AROUND MID MORNING, AND MORE MODERATE RAINFALL
TO BEGIN MONDAY EVENING. HEAVIEST RAINFALL WILL OCCUR BETWEEN MONDAY EVENING
AND TUESDAY EVENING. NON-ZERO CHANCE (5% OR LESS) FOR ISOLATED THUNDERSTORMS
MONDAY EVENING, WITH MUCH HIGHER CHANCES (20 TO 30%) ON TUESDAY AFTERNOON
AND EVENING. WHILE WINDS WILL BE LIGHTER ON TUESDAY, ANY THUNDERSTORMS THAT
OCCUR WILL BRING GUSTY AND ERRATIC WINDS, ALONG WITH LIGHTNING, BRIEF AND
HEAVY RAINFALL, AND POTENTIAL FOR HAIL. LINGERING CHANCES FOR PRECIPITATION
ON WEDNESDAY, WITH DRIER WEATHER ON THURSDAY EXPECTED. PRIMARILY LIGHT AND
TERRAIN DRIVEN WINDS EXPECTED FROM WEDNESDAY ONWARD.
MONDAY
SKY/WEATHER.........PARTLY SUNNY. INCREASING CHANCES FOR RAIN
THROUGHOUT THE DAY.
MAX TEMPERATURE.....62-66.
MIN HUMIDITY........41-45 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS UP TO 8 MPH. GUSTS UP TO 20 MPH
LATE IN THE AFTERNOON.
RIDGETOP...........SOUTH 12 TO 21 MPH.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH.
CWR.................5 PERCENT INCREASING TO 48 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC MC MC MC MC MC
CWR.............10 10 20 20 20 20 20 20 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 5
TEMP............57 58 59 60 61 61 61 61 60
RH..............48 45 44 45 46 48 49 50 52
SL/VL WIND DIR..SE SE S S S S S S S
SL/VL WIND SPD..5 5 7 7 7 8 8 8 7
SL/VL WIND GUST.12 12 17 17 17 20 20 20 17
RIDGE WIND DIR..SE SE S S S S S S S
RIDGE WIND SPD..12 12 17 17 17 21 21 21 14
MIX HGT (KFT)...1.1 1.1 3.4 3.4 3.4 4.1 4.1 4.1 3.0
TRANSP WIND DIR.SE SE S S S S S S S
TRANSP WIND SPD.12 12 17 17 17 21 21 21 14
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LATE IN THE EVENING.
MIN TEMPERATURE.....47-51.
MAX HUMIDITY........83-87 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS AROUND 6 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH LATE IN THE EVENING.
RIDGETOP...........SOUTH AROUND 14 MPH SHIFTING TO THE WEST AROUND
7 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE SOUTHEAST 8 TO 15 MPH LATE IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 15 MPH SHIFTING TO THE WEST
AROUND 7 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE SOUTHEAST 8 TO 15 MPH LATE IN
THE EVENING.
CWR.................48 PERCENT INCREASING TO 79 PERCENT LATE IN THE
EVENING.
CHANCE OF THUNDER...8 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC CDY
CWR.............50 50 50 50 50 70 70 70 70 70 70 80
CHC OF THDR (%).10 10 0 0 0 10 10 10 10 10 10 10
TEMP............59 58 57 56 56 55 55 54 54 53 52 51
RH..............54 57 60 63 65 67 68 69 70 72 74 75
SL/VL WIND DIR..S S S S S SE SE SE SE SE SE SE
SL/VL WIND SPD..7 7 6 6 6 5 5 5 5 5 5 5
SL/VL WIND GUST.17 17 14 14 14 12 12 12 13 13 13 13
RIDGE WIND DIR..S S W W W E E E SE SE SE SE
RIDGE WIND SPD..14 14 7 7 7 8 8 8 10 10 10 15
MIX HGT (KFT)...3.0 3.0 0.7 0.7 0.7 0.2 0.2 0.2 0.4 0.4 0.4 0.3
TRANSP WIND DIR.S S W W W E E E SE SE SE SE
TRANSP WIND SPD.14 14 7 7 7 8 8 8 10 10 10 15
TUESDAY
SKY/WEATHER.........CLOUDY. RAIN IN THE MORNING, THEN RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
MORNING.
MAX TEMPERATURE.....51-55.
MIN HUMIDITY........71-75 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS UP TO 7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING.
RIDGETOP...........SOUTHEAST 8 TO 15 MPH.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 15 MPH.
CWR.................84 PERCENT.
CHANCE OF THUNDER...24 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY
CWR.............80 80 80 80 80 80 80 80 80 80 80 80
CHC OF THDR (%).10 10 10 10 10 20 20 20 20 20 20 20
TEMP............51 52 52 51 50 50 50 51 52 52 51 50
RH..............75 75 76 78 80 83 86 87 88 86 83 80
SL/VL WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
SL/VL WIND SPD..5 5 6 6 6 7 7 7 7 7 7 7
SL/VL WIND GUST.13 13 14 14 14 16 16 16 18 18 18 17
RIDGE WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
RIDGE WIND SPD..15 15 15 15 15 14 14 14 13 13 13 8
MIX HGT (KFT)...0.3 0.3 0.7 0.7 0.7 2.2 2.2 2.2 2.6 2.6 2.6 1.6
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.15 15 15 15 15 14 14 14 13 13 13 8
FORECAST DAYS 3 THROUGH 5
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. LIGHT TERRAIN DRIVEN WINDS.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. LIGHT
TERRAIN DRIVEN WINDS.
FORECASTER...SP
REQUESTED BY...MATTHEW BRADY
TYPE OF REQUEST...PRESCRIBED
.TAG 2610674.0/STO
.DELDT 04/18/26
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.BRADY@FIRE.CA.GOV,MIKE.BATHAM@FIRE.CA.GOV,JASON.FINNEY@FIRE.CA.GOV,JEFF.EDSON@FIRE.CA.GOV
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