240
FNUS76 KSGX 241150
FWSSGX
SPOT FORECAST FOR SOUTH BIG BEAR RX...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
450 AM PDT FRI APR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
INCREASING ONSHORE FLOW TODAY AND SATURDAY WILL INCREASE SOUTHWEST
WINDS, HUMIDITY, AND CHANCE OF SHOWERS. THE STRONGEST WINDS AND
SHOWERS ARE EXPECTED SATURDAY AFTERNOON THROUGH EARLY SUNDAY.
MONDAY AND TUESDAY APPEAR DRY WITH WEAKER ONSHORE WINDS AND WARMER
WITH LOWER HUMIDITY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 6 MPH. GUSTS UP TO 11 MPH
LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH. GUSTS UP TO 16 MPH
LATE IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 10 TO 15 MPH.
CWR.................1 PERCENT.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........16 16 16 15 15
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
TEMP............46 51 53 52 50
RH..............33 37 38 40 46
20 FT WIND......SW 5 SW 7 SW 7 SW 8 SW 8
20 FT WIND GUST.9 11 13 14 14
EYE LEVEL WIND..SW 4 SW 4 SW 5 SW 6 SW 6
EYE LVL WND GST.7 8 9 10 10
RIDGETOP WIND...SW 10 W 15 SW 15 SW 15 SW 15
CWR.............0 0 0 0 0
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........83 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 6 MPH WITH GUSTS TO
AROUND 10 MPH EARLY IN THE EVENING BECOMING
LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND
14 MPH EARLY IN THE EVENING BECOMING LIGHT.
RIDGETOP...........SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST
AROUND 20 MPH EARLY IN THE MORNING.
CWR.................9 PERCENT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........15 41 41 40 37 37
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............48 41 37 36 34 34
RH..............55 76 76 71 74 77
20 FT WIND......SW 8 SW 5 SW 3 SW 3 SW 3 SW 3
20 FT WIND GUST.14 9 6 8 7 7
EYE LEVEL WIND..SW 6 SW 4 SW 2 SW 3 SW 2 SW 2
EYE LVL WND GST.10 7 5 6 5 5
RIDGETOP WIND...SW 15 W 15 SW 10 SW 10 W 15 SW 15
CWR.............0 0 0 0 0 0
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS IN THE MORNING, THEN CHANCE OF
RAIN SHOWERS LATE IN THE MORNING. RAIN SHOWERS
AND SNOW SHOWERS LIKELY LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........63 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 7 MPH WITH
GUSTS TO AROUND 13 MPH EARLY IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 18 MPH.
RIDGETOP...........SOUTHWEST 15 TO 20 MPH INCREASING TO AROUND 25
MPH LATE IN THE AFTERNOON.
CWR.................16 PERCENT INCREASING TO 49 PERCENT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 17 MPH INCREASING TO 20 TO 22
MPH LATE IN THE AFTERNOON.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........53 58 58 68 55 55
WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE
WEATHER TYPE....SNSHWR SNSHWR SNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
TEMP............33 36 40 43 44 42
RH..............80 78 66 63 68 76
20 FT WIND......SW 3 SW 5 SW 7 SW 8 SW 9 SW 10
20 FT WIND GUST.6 10 12 13 15 18
EYE LEVEL WIND..SW 2 SW 4 SW 5 SW 5 SW 7 SW 7
EYE LVL WND GST.5 7 9 9 11 13
RIDGETOP WIND...W 15 SW 15 SW 15 SW 20 SW 25 SW 25
CWR.............10 10 10 20 20 20
FORECAST DAYS 3 THROUGH 5
SUNDAY
PARTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY IN THE MORNING, THEN
CHANCE OF SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS AROUND 10 MPH AT EYE LEVEL.
MONDAY
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 6 MPH AT EYE LEVEL.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. WEST
WINDS AROUND 5 MPH AT EYE LEVEL.
FORECASTER...MIGUEL MILLER
REQUESTED BY...BRIAN GRANT
TYPE OF REQUEST...PRESCRIBED
.TAG 2611557.0/SGX
.DELDT 04/24/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.GRANT3@USDA.GOV,MICHAEL.J.PAGE@USDA.GOV,BRIAN.JOHNSON2@USDA.GOV
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