045
FNUS76 KSGX 212013
FWSSGX
SPOT FORECAST FOR UPPER BALDY...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
1213 PM PST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON JANUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
RELATIVELY MOIST CONDITIONS WITH STRAY SHOWER CHANCES EXPECTED
THURSDAY AND MORESO ON FRIDAY, WITH SLIGHTLY HIGHER CHANCES FOR
RAIN ON FRIDAY. AFTERNOON HUMIDITY IS ALLOWED TO FALL TO NEAR 35
PERCENT EARLY THURSDAY AFTERNOON BEFORE BETTER MOISTURE PUSHES
IN. MORNING RECOVERIES FRIDAY MORNING NEAR 80 PERCENT FOLLOWED BY
MINIMUM AFTERNOON HUMIDITY DOWN TO 55 PERCENT FRIDAY AFTERNOON.
WINDS WILL BE RELATIVELY LIGHT FOR THE FORECAST AREA ON THURSDAY
INTO FRIDAY, WITH PREDOMINANTLY SOUTHERLY FLOW AT 5 TO 10 MPH IN
THE AFTERNOON HOURS.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-95 PERCENT). SLIGHT CHANCE
OF RAIN SHOWERS.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........36 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTH 5 TO 10 MPH.
CWR.................10-25 PERCENT.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 5 MPH.
TIME (PST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........97 97 97 83 83 83 79 79 79 32 32
WEATHER COV.....SCH SCH SCH CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............48 44 44 45 50 53 54 55 55 55 52
RH..............40 50 58 58 54 49 50 50 50 51 54
20 FT WIND DIR..W NW SW SW SW SE SW SW SW SW W
20 FT WIND SPD..1 2 2 2 3 2 3 3 2 2 1
20 FT WIND GUST.5 5 5 6 6 5 6 6 6 6 4
EYE LVL WND DIR.W NW SW SW SW SE SW SW SW SW W
EYE LVL WND SPD.1 1 1 1 2 1 2 2 2 1 1
EYE LVL WND GST.4 4 4 4 5 4 5 5 5 4 3
RIDGE WIND DIR..S S S S S S S S SW SW SW
RIDGE WIND SPD..5 5 5 10 10 10 5 5 5 5 5
CWR.............10 10 10 30 30 30 30 30 30 10 10
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING AND OVERNIGHT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........82 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........SOUTH 0 TO 5 MPH.
CWR.................12 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 3 MPH SHIFTING TO THE
SOUTHWEST OVERNIGHT.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........32 32 32 32 63 63 63 63 63 63 50 50
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............50 50 49 40 50 41 39 49 42 41 48 39
RH..............56 56 56 79 54 74 82 56 73 74 55 78
20 FT WIND DIR..SW SW S S SW SW W W W W NW W
20 FT WIND SPD..1 1 1 1 1 1 1 2 2 2 2 2
20 FT WIND GUST.4 4 5 5 5 5 5 5 5 6 6 5
EYE LVL WND DIR.SW SW S S SW SW W W W W NW W
EYE LVL WND SPD.1 1 1 1 1 1 1 1 1 1 1 1
EYE LVL WND GST.3 3 4 4 4 4 4 4 4 4 4 4
RIDGE WIND DIR..S S S S S S S S S SW SW SW
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 0
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF RAIN
SHOWERS.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........55 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........WEST AROUND 0 MPH SHIFTING TO THE NORTHWEST IN
THE AFTERNOON.
CWR.................6 PERCENT INCREASING TO 28 PERCENT IN THE LATE
MORNING AND EARLY AFTERNOON, THEN DECREASING TO
11 PERCENT LATE IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 6 MPH.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 50 50 50 61 61 61 61 61 61 62 62
WEATHER COV..... CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............44 48 41 43 49 50 43 52 44 49 52 51
RH..............65 56 74 74 63 63 86 63 84 69 60 61
20 FT WIND DIR..W W W SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..1 2 2 2 3 3 3 3 3 2 3 3
20 FT WIND GUST.5 5 6 6 6 7 7 7 7 6 6 6
EYE LVL WND DIR.W W W SW SW SW SW SW SW SW SW SW
EYE LVL WND SPD.1 1 1 1 2 2 2 2 2 1 2 2
EYE LVL WND GST.4 4 4 5 5 5 5 5 5 4 5 5
RIDGE WIND DIR..W W W W W NW NW NW NW NW NW M
RIDGE WIND SPD..0 0 0 0 0 0 0 0 0 0 0 M
CWR.............10 10 10 10 30 30 30 30 30 30 10 10
FORECASTER...DAVID MUNYAN
REQUESTED BY...ART LOZANO
TYPE OF REQUEST...PRESCRIBED
.TAG 2600807.0/SGX
.DELDT 01/21/26
.FORMATTERVERSION 2.0.0
.EMAIL ARTURO.LOZANO@USDA.GOV
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