808
FNUS76 KSGX 251132
FWSSGX
SPOT FORECAST FOR SOUTH BIG BEAR RX...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
432 AM PDT SAT APR 25 2026
FORECAST IS BASED ON IGNITION TIME OF 0500 PDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
INCREASED ONSHORE FLOW TODAY WILL INCREASE WINDS OUT OF THE
SOUTHWEST, MINRH, AND THE CHANCE FOR SHOWERS (18% IN THE MORNING,
INCREASING TO 60% BY THE AFTERNOON). THE STRONGEST WINDS AND
SHOWERS ARE EXPECTED IN THE AFTERNOON THROUGH EARLY SUNDAY.
MONDAY AND TUESDAY APPEAR DRY (MINRH IN THE UPPER 40% DROPPING
INTO THE LOW 30% RANGE) WITH WEAKER ONSHORE WINDS AND TEMPERATURES
REACHING INTO THE LOW 60S BY TUESDAY.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........WEST AROUND 20 MPH.
CWR.................11 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
TIME (PDT) 5 AM
SKY (%).........52
WEATHER COV.....S CHC
WEATHER TYPE....SNSHWR
TSTM COV........
TEMP............34
RH..............78
20 FT WIND......W 3
20 FT WIND GUST.7
EYE LEVEL WIND..W 2
EYE LVL WND GST.5
RIDGETOP WIND...W 20
CWR.............10
TODAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) THEN BECOMING
CLOUDY (90-100 PERCENT). SLIGHT CHANCE OF SNOW
SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE MORNING. RAIN SHOWERS
LIKELY AND CHANCE OF SNOW SHOWERS LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........57 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 6 MPH WITH
GUSTS TO AROUND 11 MPH EARLY IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND
15 MPH.
RIDGETOP...........SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 25
MPH LATE IN THE AFTERNOON.
CWR.................15 PERCENT INCREASING TO 60 PERCENT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 18 MPH INCREASING TO AROUND 20
MPH LATE IN THE AFTERNOON.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........52 68 68 66 87 87
WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC
WEATHER TYPE....SNSHWR SNSHWR SNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
TEMP............34 36 41 44 45 42
RH..............77 79 62 57 64 77
20 FT WIND......SW 3 SW 5 SW 6 SW 9 SW 8 SW 9
20 FT WIND GUST.7 9 11 15 13 15
EYE LEVEL WIND..SW 2 SW 4 SW 4 SW 6 SW 6 SW 6
EYE LVL WND GST.5 7 8 11 9 11
RIDGETOP WIND...SW 15 W 20 SW 15 SW 15 SW 25 SW 20
CWR.............10 10 10 20 20 20
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY IN
THE EVENING. SNOW SHOWERS THROUGH THE NIGHT.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........98 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 9 MPH. GUSTS UP TO 29 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 7 TO 13 MPH. GUSTS UP TO 29
MPH.
RIDGETOP...........SOUTHWEST AROUND 20 MPH INCREASING TO 25 TO 30
MPH EARLY IN THE EVENING.
CWR.................60 PERCENT INCREASING TO 75 PERCENT LATE IN THE
EVENING, THEN DECREASING TO 31 PERCENT EARLY IN
THE MORNING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 26 MPH.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........100 100 100 84 100 100
WEATHER COV.....LIKELY LIKELY LIKELY DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RNSHWR SNSHWR SNSHWR SNSHWR SNSHWR SNSHWR
TSTM COV........
TEMP............38 34 31 32 32 31
RH..............90 97 97 97 97 96
20 FT WIND......SW 7 SW 12 SW 10 SW 9 SW 9 SW 13
20 FT WIND GUST.12 18 16 15 15 20
EYE LEVEL WIND..SW 5 SW 8 SW 7 SW 6 SW 6 SW 9
EYE LVL WND GST.9 13 12 11 11 15
RIDGETOP WIND...SW 20 SW 30 SW 30 SW 25 SW 30 SW 30
CWR.............60 60 60 80 80 80
SUNDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING PARTLY
CLOUDY (50-60 PERCENT). CHANCE OF SNOW SHOWERS
IN THE MORNING.
MAX TEMPERATURE.....AROUND 40.
MIN HUMIDITY........78 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 9 MPH WITH GUSTS TO AROUND
15 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 9 TO 13 MPH WITH GUSTS TO
AROUND 20 MPH.
RIDGETOP...........WEST 25 TO 30 MPH.
CWR.................31 PERCENT DECREASING TO 8 PERCENT LATE IN THE
MORNING.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 22 TO 25 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 87 87 87 95 95 95 97 97 97 55
WEATHER COV.....CHC CHC CHC CHC CHC
WEATHER TYPE....SW SW SW SW SW
TSTM COV........
TEMP............29 29 30 31 33 34 36 37 38 38 38 38
RH..............96 96 97 93 87 82 80 80 80 79 78 78
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..13 13 12 9 9 9 10 10 12 13 13 12
20 FT WIND GUST.20 20 18 15 15 15 16 18 20 20 20 18
EYE LVL WND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
EYE LVL WND SPD.9 9 8 7 7 7 7 8 9 9 9 9
EYE LVL WND GST.15 15 13 11 11 11 12 13 14 15 15 13
RIDGE WIND DIR..SW W W W W W W W W W W W
RIDGE WIND SPD..30 30 30 25 25 25 25 25 25 25 25 25
CWR.............30 30 30 30 30 10 10 10 10 10 10 10
FORECASTER...LAUREN VILLAFANE
REQUESTED BY...BRIAN GRANT
TYPE OF REQUEST...PRESCRIBED
.TAG 2611557.1/SGX
.DELDT 04/25/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.GRANT3@USDA.GOV,MICHAEL.J.PAGE@USDA.GOV,BRIAN.JOHNSON2@USDA.GOV
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