485
FNUS76 KSGX 110508
FWSSGX
SPOT FORECAST FOR VOLCANO...CAL FIRE RIVERSIDE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1008 PM PDT FRI JUL 10 2026
FORECAST IS BASED ON FORECAST START TIME OF 0000 PDT ON JULY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THE MARINE LAYER IS ABOUT 1200 FT DEEP TONIGHT WITH PATCHY LOW
CLOUD COVERAGE EXPECTED OVER THE BURN AREA AFTER MIDNIGHT. ANY LOW
CLOUDS SHOULD CLEAR BY 10 AM. MODERATE HUMIDITY RECOVERY
EXPECTED, WITH MAX OVERNIGHT HUMIDITY TONIGHT NEAR 85 PERCENT AND
DAYTIME MINIMMUM RELATIVE HUMIDITY FALLING TO NEAR 45 PERCENT
SATURDAY AFTERNOON. WINDS WILL BE LIGHT AND VARIABLE IN THE NIGHTS
AND EARLY MORNINGS BECOMING ONSHORE FROM THE WEST/SOUTHWEST IN
THE AFTERNOONS.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). PATCHY FOG
OVERNIGHT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........77-83 PERCENT.
EYE LEVEL WINDS.....WEST WINDS BECOMING NORTH UP TO 3 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........WEST WINDS BECOMING NORTH 2-7 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST BECOMING NORTHEAST AROUND 3 MPH.
TIME (PDT) MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........35 35 49 49 49 32
WEATHER COV..... PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG
TEMP............64 64 63 63 62 61
RH..............76 75 77 75 76 79
20 FT WIND DIR..W W NW N N N
20 FT WIND SPD..2 2 2 2 2 2
20 FT WIND GUST.4 5 6 7 7 7
EYE LVL WND DIR.W W NW NW N N
EYE LVL WND SPD.1 1 1 1 1 1
EYE LVL WND GST.3 3 3 3 3 3
RIDGE WIND DIR..W W NW NW N N
RIDGE WIND SPD..5 5 5 5 5 5
CWR.............0 0 0 0 0 0
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........46 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS IN THE MORNING BECOMING SOUTHWEST UP TO 5 MPH WITH
GUSTS TO AROUND 7 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING SOUTHWEST 7 MPH
WITH GUSTS TO AROUND 15 MPH .
RIDGETOP...........SOUTHWEST 0 TO 5 MPH EARLY IN THE MORNING.
CWR.................1 PERCENT.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 2 TO 3 MPH SHIFTING TO THE SOUTHWEST
3 TO 10 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 32 42 42 42 26 26 26 33 33 33 29
TEMP............62 64 67 73 76 78 82 83 84 84 82 81
RH..............75 74 69 59 56 54 49 48 48 46 48 50
20 FT WIND DIR..SE SE S S S S S SW SW SW SW SW
20 FT WIND SPD..2 2 2 3 5 6 7 7 7 7 7 7
20 FT WIND GUST.5 6 6 7 10 12 12 13 14 13 13 13
EYE LVL WND DIR.SE SE S S S S S SW SW SW SW SW
EYE LVL WND SPD.1 1 2 3 4 5 5 5 5 5 5 4
EYE LVL WND GST.4 4 5 5 7 7 7 7 7 7 7 6
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH IN THE EARLY MORNING HOURS.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS BECOMING LIGHT FROM THE NORTH IN THE EARLY MORNING HOURS
CWR.................1 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH SHIFTING TO THE
EAST AROUND 3 MPH AFTER 3 AM.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........29 29 31 31 31 29 29 29 33 33 33 35
TEMP............79 74 70 67 67 67 68 67 66 66 65 64
RH..............53 61 70 76 74 72 70 70 74 74 75 79
20 FT WIND DIR..SW SW SW SW SW SW NW N N N N N
20 FT WIND SPD..6 5 5 5 5 3 3 3 3 2 2 2
20 FT WIND GUST.13 12 9 7 6 4 5 4 5 5 6
EYE LVL WND DIR.S S SW SW SW W NW N N N N N
EYE LVL WND SPD.4 4 4 2 1 1 1 1 1 1 1 1
EYE LVL WND GST.6 6 6 5 5 3 4 3 4 4 4
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........50 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 7 MPH, WITH
GUSTS NEAR 13 MPH.
CWR.................2 PERCENT.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 3 MPH SHIFTING TO THE SOUTHWEST 3
TO 9 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 35 36 36 36 38 38 38 29 29 29 10
TEMP............65 67 70 75 77 79 83 85 86 87 85 83
RH..............76 74 69 62 61 59 53 52 52 50 52 54
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..2 2 2 3 5 6 6 7 7 7 7 7
20 FT WIND GUST.4 4 6 6 6 12 12 11 9 10 13
EYE LVL WND DIR.NW NE N N W SW SW SW SW SW SW SW
EYE LVL WND SPD.1 1 1 1 1 1 2 2 4 4 4 5
EYE LVL WND GST.3 3 3 3 3 3 3 4 7 7 7 7
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...CASEY OSWANT
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...WILDFIRE
.TAG 2617198.0/SGX
.DELDT 07/10/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
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