532
FNUS76 KSGX 221251
FWSSGX
SPOT FORECAST FOR SIERRA PEAK RX...FOREST SERVICE
NATIONAL WEATHER SERVICE SAN DIEGO CA
451 AM PST THU JAN 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON JANUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
INCREASING HUMIDITY TODAY WITH WEAK SOUTHWEST WINDS. INCREASING
CHANCE OF WETTING RAIN TODAY WITH A 15-25% CHANCE THROUGH FRIDAY.
GOOD HUMIDITY RECOVERY TONIGHT AND QUITE HUMID FRIDAY DECREASING
SATURDAY. INCREASE IN ONSHORE BREEZES LATE FRIDAY THROUGH SATURDAY.
OFFSHORE FLOW SATURDAY NIGHT WILL BRING MUCH LOWER HUMIDITY SUNDAY
WITH WEAK NORTHEAST BREEZES. THIS DRIER, WEAK OFFSHORE PATTERN
CONTINUES MONDAY.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING
PARTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS LATE
IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........38 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 4 MPH LATE IN
THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST 5 TO 6
MPH LATE IN THE AFTERNOON.
RIDGETOP...........SOUTHEAST 5 TO 10 MPH.
CWR.................11 PERCENT INCREASING TO 23 PERCENT IN THE LATE
MORNING AND EARLY AFTERNOON, THEN DECREASING TO
13 PERCENT LATE IN THE AFTERNOON.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 5 MPH SHIFTING TO THE SOUTHWEST
3 TO 6 MPH IN THE LATE MORNING AND EARLY
AFTERNOON, THEN BECOMING AROUND 5 MPH EARLY IN
THE AFTERNOON SHIFTING TO THE SOUTH 3 TO 5 MPH
LATE IN THE AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........79 86 86 86 87 87 87 86 86 86 60 60
WEATHER COV.....SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............56 56 56 56 56 56 58 59 59 57 55 54
RH..............38 39 41 43 48 56 67 66 70 72 76 73
20 FT WIND DIR..E S S E NE N SW SW SW SW SW S
20 FT WIND SPD..2 2 2 2 2 1 2 3 5 6 6 6
20 FT WIND GUST.6 6 5 5 6 5 5 7 8 11 11 11
EYE LVL WND DIR.E S S E NE N SW SW SW SW SW S
EYE LVL WND SPD.1 1 1 1 1 1 1 2 3 4 4 4
EYE LVL WND GST.4 4 4 4 4 4 4 5 6 8 8 8
RIDGE WIND DIR..SE S SE E S SE SE S S S S SE
RIDGE WIND SPD..5 5 5 5 10 5 5 10 5 5 5 5
CWR.............10 10 10 10 20 20 20 20 20 20 10 10
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........76 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS AROUND 4 MPH BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 5 TO 6 MPH BECOMING LIGHT.
RIDGETOP...........EAST AROUND 5 MPH SHIFTING TO THE SOUTH.
CWR.................13 PERCENT DECREASING TO 2 PERCENT AFTER 3 AM.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 5 MPH SHIFTING TO THE EAST 3 TO 5
MPH AFTER 3 AM.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 46 46 46 35 35 35 45 45 45 46 46
WEATHER COV.....SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........
TEMP............55 55 55 54 55 55 55 55 54 54 54 53
RH..............67 63 62 65 64 61 63 61 62 62 62 64
20 FT WIND DIR..S S S S S S SE SE SE S S S
20 FT WIND SPD..6 6 5 3 3 3 2 2 2 2 2 2
20 FT WIND GUST.11 11 9 8 6 6 6 6 6 6 6 5
EYE LVL WND DIR.S S S S S S SE SE SE S S S
EYE LVL WND SPD.4 4 4 3 2 2 2 1 1 1 1 1
EYE LVL WND GST.8 8 7 6 5 5 5 5 5 4 4 4
RIDGE WIND DIR..E S SE SE S SE SE S S S S S
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
CWR.............10 10 10 10 10 10 10 10 10 10 0 0
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........62 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 5 MPH IN
THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST 5 TO 8
MPH IN THE LATE MORNING AND AFTERNOON.
RIDGETOP...........SOUTHWEST 0 TO 5 MPH.
CWR.................4 PERCENT.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 5 MPH SHIFTING TO THE WEST 3 TO
9 MPH IN THE LATE MORNING AND AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........46 31 31 31 39 39 39 47 47 47 39 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............54 53 55 56 56 57 58 58 57 56 54 54
RH..............63 64 63 63 63 65 67 71 75 79 81 78
20 FT WIND DIR..SE SE S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..1 1 2 3 5 5 6 7 7 7 8 7
20 FT WIND GUST.5 5 6 6 8 10 11 11 12 13 13 13
EYE LVL WND DIR.SE SE S S SW SW SW SW SW SW SW SW
EYE LVL WND SPD.1 1 1 2 3 4 4 4 5 5 5 5
EYE LVL WND GST.4 4 4 5 6 7 8 8 9 9 9 9
RIDGE WIND DIR..SW SW W SW S S SW SW SW W W W
RIDGE WIND SPD..5 5 0 5 5 5 5 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECAST DAYS 3 THROUGH 5
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 60. SOUTHWEST
WINDS AROUND 6 MPH AT EYE LEVEL.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS
AROUND 8 MPH AT EYE LEVEL.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S.
NORTHEAST WINDS AROUND 9 MPH AT EYE LEVEL.
FORECASTER...MIGUEL MILLER
REQUESTED BY...CYRUS GALVAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2600557.1/SGX
.DELDT 01/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CYRUS.GALVAN@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page