531
FNUS76 KSGX 120324
FWSSGX
SPOT FORECAST FOR LOST CREEK 1...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
824 PM PDT TUE AUG 11 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 PDT ON AUGUST 11.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
REMAINING ISOLATED LIGHT SHOWERS WILL END BY 2100 PDT. LIGHT
WINDS AND MODERATE TO HIGH HUMIDITY OVERNIGHT. THERE IS A 40
PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS WITH WETTING RAIN ON
THE HIGHER RIDGES IN THE VICINITY OF THE FIRE BETWEEN ABOUT NOON
AND 1700 PDT WEDNESDAY. THE CHANCE OF SHOWERS AND THUNDERSTORMS AT
THE FIRE ITSELF IS AROUND 20%. ANY NEARBY STORMS COULD PRODUCE
GUSTY OUTFLOW WINDS AND ISOLATED DRY LIGHTNING STRIKES. OTHERWISE
SLIGHTLY COOLER WITH MODERATE DAYTIME HUMIDITY AND WEAK
UPSLOPE/UPCANYON WINDS DURING THE DAY WEDNESDAY, BECOMING LIGHT
WEDNESDAY EVENING.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........74 PERCENT.
EYE LEVEL WINDS.....VARIABLE 2 TO 4 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 6 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING SOUTH 5 TO 6 MPH
AFTER 3 AM.
RIDGETOP...........SOUTH 5 MPH.
CWR.................8 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE WEST 6 TO
8 MPH OVERNIGHT, THEN SHIFTING TO THE SOUTHEAST
AROUND 6 MPH EARLY IN THE MORNING.
TIME (PDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........48 48 48 25 25 25 12 12 12 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58 57 56 56 57 56 55 55 54 54
RH..............74 70 73 73 67 69 66 66 67 67
20 FT WIND DIR..W W SW SW SW S SE SE S S
20 FT WIND SPD..6 3 2 1 1 1 2 3 5 6
20 FT WIND GUST.10 8 6 4 4 4 6 7 9 10
EYE LVL WND DIR.W W SW SW SW S SE SE S S
EYE LVL WND SPD.4 3 1 1 1 1 1 2 4 4
EYE LVL WND GST.7 6 4 3 3 3 4 5 7 7
RIDGE WIND DIR..S S S S S S S S S S
RIDGE WIND SPD..5 0 0 5 5 5 5 5 5 5
CWR.............10 5 0 0 0 0 0 0 0 0
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
PARTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........53 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS AROUND 2 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST AROUND 5 MPH
LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS AROUND 3 TO 5 MPH IN THE MORNING
BECOMING WEST AROUND 5 TO 10 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 0 TO 5 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 6 MPH SHIFTING TO THE WEST
AROUND 9 MPH LATE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 30 50 50 50 75 75 75 82 82 82 63
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... SHR SHR SHR SHR SHR SHR
TSTM COV........ ISO IS0 ISO ISO ISO ISO
TEMP............55 55 57 59 60 62 61 60 60 59 59 58
RH..............63 62 58 55 55 53 58 60 61 63 62 65
20 FT WIND DIR..S S S S W NW NW W W W W W
20 FT WIND SPD..2 2 1 2 3 3 4 4 5 5 5 5
20 FT WIND GUST.4 4 3 4 5 5 6 6 8 9 9 10
EYE LVL WND DIR.S S S S W NW NW W W W W W
EYE LVL WND SPD.1 1 1 1 2 2 2 2 3 4 4 4
EYE LVL WND GST.3 3 3 3 4 4 4 5 6 7 7 7
RIDGE WIND DIR..SW S S SW SW S SW SW SW S S W
RIDGE WIND SPD..0 5 5 5 5 0 0 5 5 5 5 5
CWR.............0 0 0 0 0 10 10 10 10 10 10 5
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) THEN BECOMING
MOSTLY CLOUDY (80-90 PERCENT).
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 5 MPH IN THE EVENING
BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 7 MPH IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........SOUTHWEST AROUND 5 MPH SHIFTING TO THE WEST
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTH IN THE LATE EVENING AND OVERNIGHT.
CWR.................2 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 9 MPH SHIFTING TO THE SOUTH 3 TO 5
MPH OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........63 63 89 89 89 95 95 95 91 91 91 76
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57 56 56 54 54 54 54 53 53 53 52 52
RH..............73 79 77 74 77 76 72 74 70 70 70 69
20 FT WIND DIR..W W SW SW W W SW SW S S S SW
20 FT WIND SPD..6 7 5 5 4 3 3 3 2 2 2 2
20 FT WIND GUST.11 10 7 7 6 5 5 5 4 4 4 4
EYE LVL WND DIR.W W SW SW W W SW SW S S S SW
EYE LVL WND SPD.4 3 3 3 3 2 2 2 1 1 1 1
EYE LVL WND GST.8 6 6 6 5 4 4 4 3 3 3 3
RIDGE WIND DIR..SW S W S S S SE S S S S S
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...STEFANIE SULLIVAN
REQUESTED BY...DIV 3
TYPE OF REQUEST...WILDFIRE
.TAG 2619493.0/SGX
.DELDT 08/11/26
.FORMATTERVERSION 2.0.0
.EMAIL CASBCC@FIRENET.GOV
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