116
FNUS76 KSGX 021147
FWSSGX
SPOT FORECAST FOR JEFF VALLEY UNIT 11B...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
447 AM PDT THU APR 2 2026
FORECAST IS BASED ON IGNITION TIME OF 0552 PDT ON APRIL 02.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
COOL AND BREEZY WITH ONSHORE FLOW AND MODERATE HUMIDITY TODAY.
FLOW WILL RAPIDLY TRANSITION TO OFFSHORE EARLY FRIDAY. THE OFFSHORE
FLOW WILL PREVAIL THROUGH SATURDAY BEFORE GRADUALLY TURNING
WEAKLY ONSHORE SUNDAY AND MONDAY. LOWER HUMIDITY AND WARMING
FRIDAY AFTERNOON THROUGH THE WEEKEND. A LITTLE COOLER MONDAY.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........65 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 6 MPH. GUSTS UP TO 11 MPH IN
THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH. GUSTS UP TO 15 MPH IN
THE AFTERNOON.
RIDGETOP...........NORTHWEST 15 TO 20 MPH.
CWR.................5 PERCENT.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 16 MPH.
TIME (PDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 49 49 63 63 63 48 48 48 42 42 42 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 44 44 46 47 47 48 51 51 51 52 50 49
RH..............65 67 70 69 71 72 72 68 70 70 67 71 72
20 FT WIND DIR..NW NW W W W W W W W W W W W
20 FT WIND SPD..6 6 5 6 6 7 7 8 9 8 8 8 8
20 FT WIND GUST.11 10 10 10 11 12 12 14 15 15 15 14 13
EYE LVL WND DIR.NW NW W W W W W W W W W W W
EYE LVL WND SPD.4 4 4 4 4 5 5 6 6 6 6 6 6
EYE LVL WND GST.8 7 7 7 8 9 9 10 11 11 11 10 9
RIDGE WIND DIR..W NW NW W NW W W W W W W W NW
RIDGE WIND SPD..20 15 15 20 15 15 20 15 15 20 15 15 15
CWR.............10 10 10 10 10 10 0 0 0 0 0 0 0
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH UP TO 6 MPH
WITH GUSTS TO AROUND 11 MPH OVERNIGHT SHIFTING
TO THE NORTHEAST AROUND 6 MPH WITH GUSTS TO
AROUND 11 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 7 MPH DECREASING TO 5 TO 6
MPH EARLY IN THE EVENING, THEN BECOMING LIGHT
LATE IN THE EVENING BECOMING NORTHWEST 5 TO 8
MPH WITH GUSTS TO AROUND 15 MPH OVERNIGHT
SHIFTING TO THE NORTHEAST AROUND 9 MPH WITH
GUSTS TO AROUND 15 MPH.
RIDGETOP...........NORTHWEST 10 TO 15 MPH SHIFTING TO THE NORTH 5
TO 10 MPH AFTER 3 AM.
CWR.................2 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH SHIFTING TO THE NORTHEAST
AROUND 13 MPH EARLY IN THE MORNING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 41 52 52 52 40 40 40 21 21 21 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............48 45 44 44 45 45 45 45 45 46 44 45
RH..............72 79 77 73 68 65 58 52 49 49 54 51
20 FT WIND DIR..W W W W W W NW NW N N N NE
20 FT WIND SPD..7 6 6 5 3 3 5 7 8 8 9 9
20 FT WIND GUST.12 11 10 9 7 7 9 11 14 15 15 15
EYE LVL WND DIR.W W W W W W NW NW N N N NE
EYE LVL WND SPD.5 4 4 4 3 3 4 4 6 6 6 6
EYE LVL WND GST.9 8 7 7 5 5 7 8 10 11 11 11
RIDGE WIND DIR..W NW NW NW NW NW NW NW NW N N N
RIDGE WIND SPD..15 15 15 10 10 15 10 15 10 10 10 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........14 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 6 TO 8 MPH. GUSTS UP TO 13 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 9 TO 12 MPH. GUSTS UP TO 18 MPH.
RIDGETOP...........NORTHEAST 10 TO 15 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 17 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16 16 27 27 27 43 43 43 55 55 55 53
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............45 46 49 51 54 57 59 61 62 62 62 60
RH..............48 41 33 29 24 22 20 20 19 17 15 14
20 FT WIND DIR..NE NE NE NE E E E E E E E E
20 FT WIND SPD..9 9 10 10 12 12 12 10 10 9 9 9
20 FT WIND GUST.15 16 17 18 18 18 18 17 16 15 15 15
EYE LVL WND DIR.NE NE NE NE E E E E E E E E
EYE LVL WND SPD.6 7 7 8 8 8 8 7 7 7 6 6
EYE LVL WND GST.11 12 12 13 13 13 13 12 12 11 11 11
RIDGE WIND DIR..NE NE NE NE E NE NE NE NE NE NE E
RIDGE WIND SPD..15 15 15 15 15 10 10 10 10 10 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECAST DAYS 3 THROUGH 5
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST WINDS
AROUND 8 MPH AT EYE LEVEL.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
LIGHT WINDS AT EYE LEVEL.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. WEST
WINDS AROUND 5 MPH AT EYE LEVEL.
FORECASTER...MIGUEL MILLER
REQUESTED BY...JASON MCAHREN
TYPE OF REQUEST...PRESCRIBED
.TAG 2608373.3/SGX
.DELDT 04/02/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.MCAHREN@USDA.GOV
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