061
FNUS76 KSGX 061419
FWSSGX
SPOT FORECAST FOR NORTH ARROWHEAD...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
719 AM PDT MON APR 6 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 11.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE CONDITIONS DOMINATE THE DISTRICT. THERE IS CURRENTLY A
WEAK UPPER LEVEL LOW TRANSITIONING OVERHEAD WHICH HAS ALLOWED FOR
DENSE MID TO HIGH LEVEL CLOUDS TO MOVE OVER, ALTHOUGH THESE WILL
DIMINISH BY LATER IN THE DAY. HIGH PRESSURE CONDITIONS ARE GOING TO
REMAIN IN PLACE THROUGH THE REST OF THE WEEK, AND THEN THERE WILL BE
AN AREA OF TROUGHING MOVING OVER THE DISTRICT FOR THIS UPCOMING
WEEKEND, WHICH WILL GIVE THE AREA OF INTEREST A SLIGHT CHANCE OF
PRECIPITATION. AT THIS TIME, TRANSPORT WINDS LOOK TO REMAIN OUT OF
THE SOUTH FROM SATURDAY THROUGH SUNDAY. PLEASE FOLLOW UP AS WE GET
CLOSER TO THE TIME OF INITIATION, AS THIS FORECAST IS SUBJECT TO
CHANGE.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
PARTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS LATE IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS LATE
IN THE MORNING. CHANCE OF RAIN SHOWERS LATE IN
THE AFTERNOON.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........65-70 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 5 MPH WITH
GUSTS TO AROUND 12 MPH LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 7 MPH WITH GUSTS TO AROUND
16 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE MORNING.
RIDGETOP...........
CWR.................51 PERCENT INCREASING TO 67 PERCENT LATE IN THE
MORNING, THEN DECREASING TO 28 PERCENT LATE IN
THE AFTERNOON.
MIXING HEIGHT.......3100 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........67 78 78 78 60
WEATHER COV.....CHANCE LIKELY LIKELY LIKELY CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC
TEMP............48 51 52 52 49
RH..............74 68 70 73 76
20 FT WIND......S 3 S 6 S 6 SW 7 SW 6
20 FT WIND GUST.10 15 15 16 15
EYE LEVEL WIND..S 2 S 4 S 4 SW 5 SW 4
EYE LVL WND GST.7 11 11 12 11
RIDGETOP WIND...M M M M M
CWR.............50 70 70 70 30
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF RAIN
SHOWERS, THEN SLIGHT CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........86-93 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH WITH GUSTS TO
AROUND 11 MPH IN THE EVENING AND OVERNIGHT
BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND
15 MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT.
RIDGETOP...........
CWR.................28 PERCENT DECREASING TO 18 PERCENT LATE IN THE
EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........60 60 60 52 52 52
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
TEMP............48 44 44 44 43 43
RH..............81 90 85 80 80 80
20 FT WIND......SW 6 SW 6 SW 6 SW 5 S 3 S 3
20 FT WIND GUST.15 13 13 11 10 10
EYE LEVEL WIND..SW 4 SW 4 SW 4 SW 3 S 3 S 3
EYE LVL WND GST.11 9 9 8 7 7
RIDGETOP WIND...M M M M M M
CWR.............30 30 30 20 20 20
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS.
MAX TEMPERATURE.....51-56.
MIN HUMIDITY........63-68 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 6 MPH WITH
GUSTS TO AROUND 12 MPH LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST 6 TO 8
MPH WITH GUSTS TO AROUND 16 MPH LATE IN THE
MORNING.
RIDGETOP...........
CWR.................15 PERCENT.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 13 MPH.
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........54 54 54 46 46 46
WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
TEMP............43 43 47 51 52 52
RH..............82 81 72 66 66 68
20 FT WIND......SW 3 S 3 S 3 SW 6 SW 8 SW 8
20 FT WIND GUST.9 11 11 15 16 16
EYE LEVEL WIND..SW 2 S 3 S 3 SW 4 SW 6 SW 6
EYE LVL WND GST.7 8 8 11 12 12
RIDGETOP WIND...M M M M M M
CWR.............20 20 20 20 20 20
FORECASTER...PAUL STEWARD
REQUESTED BY...BRAIN GRANT
TYPE OF REQUEST...PRESCRIBED
.TAG 2609110.0/SGX
.DELDT 04/06/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.GRANT3@USDA.GOV
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