455
FNUS76 KMTR 250849
FWSMTR
SPOT FORECAST FOR SWITCHBACK 1...CAL FIRE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
149 AM PDT FRI SEP 25 2026
FORECAST IS BASED ON IGNITION TIME OF 0730 PDT ON SEPTEMBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A FEW PATCHES OF STRATUS AND/OR FOG THIS MORNING
OTHERWISE IT'LL BE SUNNY TODAY. COOLER TEMPERATURES TODAY WILL
HELP HUMIDITY RETENTION THIS AFTERNOON WITH SUNNY SKIES AND GUSTY
NORTHWEST WINDS UP TO 25 MPH. EXPECT EXCELLENT RECOVERY TONIGHT
AND SATURDAY NIGHT. WINDS SOUTHWEST TO WEST SATURDAY AFTERNOON AND
EVENING UP TO 15 MPH.
TODAY
SKY/WEATHER.........PATCHY MORNING STRATUS AND/OR FOG OTHERWISE
SUNNY.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........43-47 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 14 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 14 MPH.
MARINE LAYER........NONE.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........89-93 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 13 MPH. GUSTS UP TO 21 MPH
IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 11 MPH.
MARINE LAYER........NONE.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........54-58 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 15 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 6 MPH.
MARINE LAYER........NONE.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........90-94 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTS UP TO 15 MPH
IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
MARINE LAYER........NONE.
FORECASTER...R_CANEPA
REQUESTED BY...MARSHALL TURBEVILLE
TYPE OF REQUEST...PRESCRIBED
.TAG 2622226.2/MTR
.DELDT 09/25/26
.FORMATTERVERSION 2.0.0
.EMAIL MARSHALL.TURBEVILLE@FIRE.CA.GOV
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