878
FNUS76 KSGX 080315
FWSSGX
SPOT FORECAST FOR VOLCANO...RRU
NATIONAL WEATHER SERVICE SAN DIEGO CA
815 PM PDT TUE JUL 7 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 PDT ON JULY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WEDNESDAY, LIGHT AND VARIABLE WINDS IN THE MORNING, YIELDING TO
SOUTHWEST WINDS AROUND 10 MPH, GUSTING 15-20 MPH IN THE AFTERNOON
AND EARLY EVENING. RELATIVE HUMIDITY DROPS TO AROUND 30-35% DURING
THE DAYTIME, RECOVERING TO AROUND 70-75% OVERNIGHT. SIMILAR
CONDITIONS EXPECTED THURSDAY.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH EARLY IN THE
EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 6 MPH DECREASING TO
AROUND 5 MPH LATE IN THE EVENING, THEN BECOMING
LIGHT IN THE LATE EVENING AND OVERNIGHT.
RIDGETOP...........WEST 5 TO 10 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 7 MPH SHIFTING TO THE NORTH 3 TO
5 MPH IN THE LATE EVENING AND OVERNIGHT.
TIME (PDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 6 6 14 14 14 9 9 9 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............74 67 66 65 65 64 63 62 61 60
RH..............56 69 71 73 72 73 76 77 77 79
20 FT WIND DIR..SW SW NW N N N N N N N
20 FT WIND SPD..6 5 3 3 3 3 2 2 2 2
20 FT WIND GUST.9 7 6 6 6 5 5 4 5 5
EYE LVL WND DIR.SW SW N N N NE N N N N
EYE LVL WND SPD.4 1 1 2 2 1 2 2 3 3
EYE LVL WND GST.7 5 4 4 4 4 4 3 4 4
RIDGE WIND DIR..W W W W W W SW W W SW
RIDGE WIND SPD..5 5 5 5 5 10 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........33 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 4 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE UP TO 6 MPH
IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH IN
THE AFTERNOON.
RIDGETOP...........SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 5 MPH SHIFTING TO THE SOUTHWEST 3 TO
10 MPH IN THE LATE MORNING AND AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 10 10 10 3 3 3 0 0 0 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 65 71 79 82 85 89 91 92 93 91 89
RH..............76 69 56 43 39 36 33 33 33 33 35 37
20 FT WIND DIR..N N N NE SE S S SW SW SW SW SW
20 FT WIND SPD..2 2 2 2 3 3 5 6 6 7 7 7
20 FT WIND GUST.5 4 4 4 5 6 8 10 11 11 11 11
EYE LVL WND DIR.N N NE E S S S S S S S S
EYE LVL WND SPD.3 3 1 1 2 4 4 6 6 6 6 6
EYE LVL WND GST.4 3 3 4 5 6 7 8 8 8 8
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
RIDGE WIND SPD..5 5 5 5 5 10 10 15 15 15 15 15
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 62.
MAX HUMIDITY........71 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 6 MPH DECREASING TO
AROUND 5 MPH EARLY IN THE EVENING, THEN
BECOMING LIGHT IN THE LATE EVENING AND
OVERNIGHT.
RIDGETOP...........NORTH AROUND 0 MPH SHIFTING TO THE WEST EARLY
IN THE EVENING, THEN INCREASING TO AROUND 10
MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH SHIFTING TO THE NORTH
AROUND 3 MPH LATE IN THE EVENING, THEN SHIFTING
TO THE NORTHEAST AROUND 5 MPH OVERNIGHT
SHIFTING TO THE EAST 3 TO 5 MPH OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 1 7 7 7 13 13 13 7 7 7 17
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............87 80 73 69 68 67 68 67 65 65 64 63
RH..............40 48 59 66 67 68 65 66 69 69 69 71
20 FT WIND DIR..SW SW SW S S SE E NE N N N N
20 FT WIND SPD..6 5 5 5 3 3 3 3 3 2 2 2
20 FT WIND GUST.11 9 8 6 6 6 6 6 6 5 4 4
EYE LVL WND DIR.SW SW SW W NW N N N NE N N N
EYE LVL WND SPD.5 4 4 3 2 1 1 1 2 2 2 1
EYE LVL WND GST.8 7 6 5 4 5 4 4 4 4 3 3
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..10 10 10 5 5 10 10 10 10 10 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 6 MPH IN
THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON.
RIDGETOP...........WEST 0 TO 5 MPH EARLY IN THE MORNING.
CWR.................0 PERCENT.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 3 MPH SHIFTING TO THE SOUTHWEST 8
TO 10 MPH LATE IN THE MORNING.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 17 12 12 12 3 3 3 0 0 0 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 68 74 81 85 87 90 91 92 92 90 88
RH..............67 60 50 39 36 34 31 31 31 30 32 34
20 FT WIND DIR..N E SE S S SW SW SW SW SW SW SW
20 FT WIND SPD..2 2 2 3 5 6 7 7 7 8 8 7
20 FT WIND GUST.4 4 4 5 6 8 10 11 12 13 12 12
EYE LVL WND DIR.N NE NE E S S S SW SW SW SW SW
EYE LVL WND SPD.1 1 1 2 4 5 6 6 6 6 6 6
EYE LVL WND GST.3 3 3 4 5 6 7 8 9 9 9 9
RIDGE WIND DIR..W W M M M M M M M M M M
RIDGE WIND SPD..5 0 M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...SEBASTIAN WESTERINK
REQUESTED BY...DUTY OFFICER
TYPE OF REQUEST...WILDFIRE
.TAG 2616961.0/SGX
.DELDT 07/07/26
.FORMATTERVERSION 2.0.0
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page