425
FNUS76 KSGX 141230
FWSSGX
SPOT FORECAST FOR JEFF VALLEY UNITS 18B/6...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
430 AM PST WED JAN 14 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON JANUARY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
OFFSHORE FLOW WILL PERSIST, BUT A LITTLE WEAKER THIS MORNING AND
A LITTLE STRONGER THIS AFTERNOON THROUGH THURSDAY MORNING. EAST
OR NORTHEAST WINDS TO DIMINISH FURTHER FOR LATE THURSDAY THROUGH
SUNDAY. HUMIDITY RECOVERY POOR TONIGHT, BUT A LITTLE BETTER EACH
NIGHT THROUGH SUNDAY. WARMEST TODAY, THEN SLIGHTLY COOLER
THURSDAY THROUGH SUNDAY.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........19 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 10 MPH WITH GUSTS TO
AROUND 16 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 10 TO 14 MPH WITH GUSTS TO
AROUND 22 MPH.
RIDGETOP...........NORTHEAST 15 TO 20 MPH SHIFTING TO THE EAST
AROUND 25 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 14 TO 20 MPH.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 1 1 1 9 9 9 2 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............52 52 54 58 61 63 65 66 65 64 62 57
RH..............25 25 24 22 21 20 20 19 20 21 22 25
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..10 12 13 10 13 13 14 14 13 10 14 12
20 FT WIND GUST.17 18 20 18 20 20 22 22 21 17 21 18
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE
EYE LVL WND SPD.7 9 9 7 9 9 10 10 9 7 10 8
EYE LVL WND GST.12 13 14 13 15 15 16 16 15 12 15 13
RIDGE WIND DIR..E NE NE NE E E E E E E E E
RIDGE WIND SPD..15 15 15 15 15 15 15 20 15 15 25 25
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 6 TO 12 MPH. GUSTS UP TO 19 MPH
OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 9 TO 17 MPH. GUSTS UP TO 26 MPH
OVERNIGHT.
RIDGETOP...........EAST 20 TO 25 MPH DECREASING TO 15 TO 20 MPH
OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....EAST 20 TO 24 MPH.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 1 1 1 0 0 0 0 0 0 6 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............55 54 53 53 54 54 53 53 53 53 52 51
RH..............25 24 24 24 24 24 25 27 26 27 27 28
20 FT WIND DIR..NE NE NE E E E E E E E E E
20 FT WIND SPD..9 9 10 13 15 16 17 17 16 15 14 13
20 FT WIND GUST.16 15 17 20 23 25 26 26 25 23 22 21
EYE LVL WND DIR.NE NE NE E E E E E E E E E
EYE LVL WND SPD.7 6 7 9 11 11 12 12 11 11 10 9
EYE LVL WND GST.12 11 12 15 17 18 19 19 18 17 16 15
RIDGE WIND DIR..E E E E E E E E E E E E
RIDGE WIND SPD..25 20 20 20 20 20 15 20 20 20 20 20
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........22 PERCENT.
EYE LEVEL WINDS.....EAST WINDS UP TO 9 MPH. GUSTS UP TO 15 MPH IN
THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 6 TO 13 MPH. GUSTS UP TO 20 MPH IN
THE MORNING.
RIDGETOP...........EAST 15 TO 20 MPH DECREASING TO AROUND 10 MPH
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 23 MPH DECREASING TO 10 TO 12 MPH
LATE IN THE AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 7 7 7 5 5 5 3 3 3 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............50 51 53 55 59 60 62 63 63 62 60 58
RH..............29 29 28 28 25 25 24 23 24 25 26 27
20 FT WIND DIR..E E E E E E E E E E E E
20 FT WIND SPD..13 13 12 13 13 12 12 12 10 9 7 6
20 FT WIND GUST.20 20 20 20 20 20 18 18 16 15 13 11
EYE LVL WND DIR.E E E E E E E E E E E E
EYE LVL WND SPD.9 9 9 9 9 9 9 8 7 6 5 4
EYE LVL WND GST.15 14 14 14 14 14 13 13 12 11 9 8
RIDGE WIND DIR..E E E E E E E E E E E E
RIDGE WIND SPD..20 20 20 20 20 20 20 15 15 15 15 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECAST DAYS 3 THROUGH 5
FRIDAY
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH AT EYE LEVEL.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
NORTHEAST WINDS AROUND 7 MPH AT EYE LEVEL.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST
WINDS AROUND 6 MPH AT EYE LEVEL.
FORECASTER...MIGUEL MILLER
REQUESTED BY...DANA BARRE
TYPE OF REQUEST...PRESCRIBED
.TAG 2528777.2/SGX
.DELDT 01/14/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.MCAHREN@USDA.GOV,DANA.BARRE@USDA.GOV,SM.FS.CNFECC@USDA.GOV
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