941
FNUS76 KMTR 171835
FWSMTR
SPOT FORECAST FOR TIMBER FIRE...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1135 AM PDT SAT OCT 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON OCTOBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SUNDAY WILL BEGIN A COOLING TREND AS A WEAK, DRY
FRONTAL BOUNDARY APPROACHES THE REGION. A MORE ROBUST COOLING
TREND WILL BEGIN MONDAY AND TUESDAY AS A COLD FRONT MOVES THROUGH
THE REGION TUESDAY MORNING, BRINING A CHANCE (30-50%) OF RAIN
SHOWERS (ABOUT A 35% CHANCE OF WETTING RAINS) TO THE SITE THAT NOW
LOOKS TO LINGER THROUGH THURSDAY MORNING. THIS WILL ALSO RESULT
IN A MOISTENING TREND INTO EARLY NEXT WEEK. WINDS BEYOND MONDAY
ARE GENERALLY FORECAST TO BE TERRAIN DRIVEN GIVEN THE POSITION OF
THE CUT-OFF LOW PRESSURE SYSTEM REMAINING OFF OF THE CENTRAL
COAST. THERE IS GENERALLY LESS THAN A 10% PROBABILITY OF
THUNDERSTORMS AS WELL ON TUESDAY AND WEDNESDAY.
NOTE: THE FORECAST IS SUBJECT TO CHANGE DEPENDING ON THE EXACT
TRACK OF THE CUT-OFF LOW.
SUNDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72-82.
MIN HUMIDITY........24-30 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE LESS THAN 5 MPH, BECOMING
SOUTHWEST WINDS UP TO 9 MPH IN THE AFTERNOON
AND EARLY EVENING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MARINE LAYER........LESS THAN 1000FT.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....51-55.
MAX HUMIDITY........50-60 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE LESS THAN 5 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MARINE LAYER........LESS THAN 1500FT.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....59-69.
MIN HUMIDITY........39-45 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE LESS THAN 5 MPH, BECOMING
SOUTHWEST WINDS 5 TO 12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MARINE LAYER........NONE.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....46-50.
MAX HUMIDITY........60-66 PERCENT.
WIND (20 FT)........NORTHEAST UP TO 10 MPH WITH GUSTS UP TO 15 MPH,
BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.
CWR.................15 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MARINE LAYER........NONE.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY TO CLOUDY.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........45-50 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE IN THE MORNING, BECOMING
SOUTH UP TO 10 MPH WITH GUSTS UP TO 15 MPH LATE
MORNING.
CWR.................35 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MARINE LAYER........NONE.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY TO CLOUDY.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........SOUTHEAST UP TO 5 MPH.
CWR.................30 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MARINE LAYER........NONE.
FORECASTER...R_GASS
REQUESTED BY...KYLE KINPORTS
TYPE OF REQUEST...WILDFIRE
.TAG 2623947.0/MTR
.DELDT 10/17/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLE.KINPORTS@USDA.GOV
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