536
FNUS76 KLOX 110136
FWSLOX
SPOT FORECAST FOR SUMMIT FIRE...LA COUNTY FIRE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
636 PM PDT FRI JUL 10 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOMEWHAT GUSTY WEST NORTHWEST WINDS WILL CONTINUE THROUGH AROUND
2000 DIMINISHING RAPIDLY DURING THE LATE EVENING HOURS AS THEY SHIFT
AND BECOME SOUTHWEST OVERNIGHT. DOWNSLOPE/DOWNVALLEY WINDS (MOSTLY
SW TO SOUTH) MAY BECOME A FACTOR LATE IN THE EVENING AS WELL
(BETWEEN 2200-0200). AS TEMPERATURES FALL, THERE WILL BE MODEST
HUMIDITY RECOVERIES TO AROUND 25 OR 30 PERCENT AND MIXING HEIGHTS
WILL EVENTUALLY FALL TO AROUND 1000 FEET OVERNIGHT. ANOTHER HOT AND
DRY AFTERNOON IS ANTICIPATED FOR SATURDAY, WITH AFTERNOON
TEMPERATURES EVENTUALLY CLIMBING INTO THE UPPER 90S...HELPING MIXING
HEIGHTS TO CLIMB TO AROUND 12,000 FT AND POTENTIALLY ENHANCING
VERTICAL PLUME DEVELOPMENT ONCE AGAIN. MODESTLY COOLER TEMPERATURES
AND INCREASING MOISTURE WILL LEAD TO SLIGHTLY LOWER MIXING HEIGHTS
AND INCREASED MIN RH VALUES CLOSER TO 20 PERCENT SUNDAY AFTERNOON.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....FALLING TO AROUND 75 AFTER MIDNIGHT.
MAX HUMIDITY........INCREASING TO AROUND 25-30 PERCENT.
EYE LEVEL WINDS.....WEST TO NORTHWEST 5 TO 8 MPH WITH GUSTS
TO 12 MPH EARLY IN THE EVENING BECOMING SOUTHWEST
3 TO 5 MPH WITH GUSTS TO 7 MPH AFTER 2100.
DOWNVALLEY/SLOPE WINDS WILL BE POSSIBLE IN TERRAIN.
RIDGETOP WIND.......NORTHWEST 10 TO 15 MPH WITH GUSTS TO 22 MPH
IN THE EVENING BECOMING WEST 6 TO 12 MPH
WITH GUSTS TO 15 MPH OVERNIGHT.
MIXING HEIGHT.......LOWERING TO 1000 FT AGL OVERNIGHT.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 99.
MIN HUMIDITY........FALLING TO AROUND 10 PERCENT BY 2 PM.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 4 MPH EARLY IN THE MORNING
BECOMING NORTHWEST 8 TO 12 MPH WITH GUSTS TO 14
MPH BY EARLY AFTERNOON.
RIDGETOP WIND.......WEST 6 TO 12 MPH BEFORE 10 AM BECOMING NORTHWEST 10
TO 15 MPH WITH GUSTS TO 25 MPH DURING THE AFTERNOON.
MIXING HEIGHT.......AROUND 1000 FT AT 7 AM...INCREASING TO AROUND 12000
FT BY THE MID TO LATE AFTERNOON HOURS.
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........25 TO 30 PERCENT.
EYE LEVEL WINDS.....GUSTING NORTHWEST WINDS TO AROUND 12 MPH THROUGH 2000
BECOMING SOUTHWEST AROUND 5 MPH BY LATE EVENING AND
CONTINUING THROUGH THE OVERNIGHT HOURS.
RIDGETOP WIND.......NORTHWEST 10 TO 15 MPH WITH GUSTS TO 22 MPH
IN THE EVENING BECOMING WEST 6 TO 12 MPH
WITH GUSTS TO 15 MPH OVERNIGHT.
MIXING HEIGHT.......LOWERING TO AROUND 1000 FT AGL OVERNIGHT.
SUNDAY
SKY/WEATHER.........BECOMING PARTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS (15%) IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........20 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS LESS THAN 5 MPH EARLY IN THE MORNING
BECOMING NORTHWEST 5 TO 9 MPH WITH GUSTS TO 12 MPH
BY EARLY AFTERNOON.
RIDGETOP WIND.......WEST 6 TO 12 MPH BEFORE 10 AM BECOMING NORTHWEST 10
TO 15 MPH WITH GUSTS TO 25 MPH DURING THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO AROUND 11000 FT AGL BY AFTERNOON.
FORECASTER...SCHOENFELD
REQUESTED BY...DREW SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 2617168.1/LOX
.DELDT 07/10/26
.FORMATTERVERSION 2.0.0
.EMAIL CAPT40@FIRE.LACOUNTY.GOV,CHARLES.SWEENEY@FIRE.LACOUNTY.GOV,DREW.SMITH@FIRE.LACOUNTY.GOV
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