836
FNUS76 KSGX 230033
FWSSGX
SPOT FORECAST FOR NORTH ARROWHEAD PILE BURN...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
433 PM PST THU JAN 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON JANUARY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PRECIPITATION CHANCES LOOK UNLIKELY FOR FRIDAY, BUT A BRIEF LIGHT
RAIN SHOWER IN THE AFTERNOON ISN'T OUT OF THE QUESTION. ALTHOUGH
RAINFALL SHOULDN'T BE AN ISSUE, SOME REDUCED VISIBILITY DUE TO FOG
WILL BE POSSIBLE BOTH FRIDAY AND SATURDAY MORNINGS. WINDS WILL BE
LIGHT FRIDAY MORNING, INCREASING IN THE AFTERNOON, BECOMING
LIGHTER AGAIN FRIDAY NIGHT. WINDS SWITCH NORTHERLY ON SATURDAY,
GUSTING UP TO 15-18 MPH BY SATURDAY AFTERNOON. WINDS WILL CONTINUE
TO INCREASE INTO SATURDAY NIGHT AND SUNDAY MORNING, PEAKING JUST
BEFORE SUNRISE ON SUNDAY. WIND SPEEDS SLOWLY FALL SUNDAY AND INTO
MONDAY. TEMPERATURES WILL COOL SLIGHTLY INTO THE WEEKEND.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........77 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS AROUND 4 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 5 TO 7 MPH.
RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
CWR.................7 PERCENT.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........26 29 29 29 29 29 29 33 33
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 47 48 48 48 47 47 45 43
RH..............86 78 77 82 83 85 88 92 97
20 FT WIND DIR..S S S S S S S S S
20 FT WIND SPD..6 5 6 6 7 7 7 7 7
20 FT WIND GUST.11 10 11 11 11 11 11 11 12
EYE LVL WND DIR.S S S S S S S S S
EYE LVL WND SPD.4 4 4 4 4 4 4 4 4
EYE LVL WND GST.8 7 8 8 8 8 8 8 9
RIDGE WIND DIR..S S S SW SW SW SW SW SW
RIDGE WIND SPD..5 5 10 10 10 10 10 10 10
CWR.............10 10 10 10 10 10 10 10 10
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 5 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 5 TO 7 MPH.
RIDGETOP...........WEST 5 TO 10 MPH SHIFTING TO THE NORTHWEST
EARLY IN THE MORNING.
CWR.................8 PERCENT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........33 33 33 33 74 74 74 74 74 74 41 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............43 42 41 41 41 41 41 40 40 39 39 38
RH..............99 100 100 100 100 100 100 100 100 100 100 100
20 FT WIND DIR..S S S S S SW S S SW S SW SW
20 FT WIND SPD..7 7 7 7 7 6 7 7 6 6 6 5
20 FT WIND GUST.12 12 12 12 11 11 11 12 11 11 10 9
EYE LVL WND DIR.S S S S S SW S S SW S SW SW
EYE LVL WND SPD.5 4 5 4 4 4 4 4 4 4 4 4
EYE LVL WND GST.9 9 9 9 8 8 8 9 8 8 7 7
RIDGE WIND DIR..SW SW SW SW SW SW W W W W W NW
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 5 5
CWR.............10 10 10 10 10 10 10 10 10 10 0 0
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........54 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH UP TO 7 MPH WITH
GUSTS TO AROUND 12 MPH IN THE LATE MORNING AND
AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
EARLY IN THE MORNING, THEN BECOMING LIGHT EARLY
IN THE MORNING BECOMING NORTH 5 TO 10 MPH WITH
GUSTS TO AROUND 16 MPH IN THE LATE MORNING AND
AFTERNOON.
RIDGETOP...........NORTH 10 TO 15 MPH INCREASING TO AROUND 20 MPH
LATE IN THE AFTERNOON.
CWR.................4 PERCENT.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 9 MPH SHIFTING TO THE NORTH 10
TO 17 MPH IN THE LATE MORNING AND AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 41 41 41 20 20 20 20 20 20 14 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............37 37 39 40 42 43 45 44 44 44 44 42
RH..............100 100 100 93 86 80 74 74 70 64 59 58
20 FT WIND DIR..SW SW W W N N NW N N N N N
20 FT WIND SPD..3 5 3 2 5 7 5 7 9 9 8 10
20 FT WIND GUST.8 8 6 6 10 11 10 12 15 16 15 16
EYE LVL WND DIR.SW SW W W N N NW N N N N N
EYE LVL WND SPD.3 3 2 2 4 4 4 5 7 7 6 7
EYE LVL WND GST.6 6 5 5 7 8 7 9 11 12 11 12
RIDGE WIND DIR..NW NW N N N N N N N N N M
RIDGE WIND SPD..10 10 10 10 15 15 15 15 15 15 20 M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...SAMANTHA ZUBER
REQUESTED BY...LAWRENCE COLLINS
TYPE OF REQUEST...PRESCRIBED
.TAG 2600932.0/SGX
.DELDT 01/22/26
.FORMATTERVERSION 2.0.0
.EMAIL LAWRENCE.COLLINS@USDA.GOV
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