Spot Forecast
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
096
FNUS76 KMTR 240159
FWSMTR
Spot Forecast for Knob I RX...Marin County Fire Department
National Weather Service San Francisco CA
659 PM PDT Sun Aug 23 2026
Forecast is based on ignition time of 1900 PDT on August 23.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Generally sunny and seasonably warm conditions at
the project site through the forecast period. Winds will be light
and terrain-driven overnight into the morning, with west winds 7
to 12 mph in the afternoon and evening hours. Complex terrain near
the project site may significantly impact wind speeds and
directions. Some marine layer influence is possible as the marine
layer is 1000-1200 ft deep, but the Marin coastal ranges may
modulate the marine layer effects.
.MONDAY...
Sky/weather.........Sunny. Haze in the morning.
Max temperature.....78-82.
Min humidity........40-50 percent.
Wind (20 ft)........Light and terrain-driven winds in the morning,
then west 7 to 12 mph in the afternoon.
CWR.................1 percent.
Chance of thunder...1 percent.
Mixing height.......1200 ft AGL.
Transport winds.....West around 7 mph.
Marine layer........None.
.MONDAY NIGHT...
Sky/weather.........Mostly clear in the evening then becoming
mostly cloudy overnight.
Min temperature.....50-55.
Max humidity........90-95 percent.
Wind (20 ft)........West winds 6 to 10 mph in the evening,
turning light and terrain-driven overnight.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......400 ft AGL.
Transport winds.....West around 9 mph.
Marine layer........None.
.TUESDAY...
Sky/weather.........Mostly sunny.
Max temperature.....82-86.
Min humidity........35-45 percent.
Wind (20 ft)........Light and terrain-driven winds in the morning,
then west 7 to 12 mph in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......1300 ft AGL.
Transport winds.....West around 7 mph.
Marine layer........None.
$$
Forecaster...D_HOANG
Requested by...Jeremiah Hanks
Type of request...PRESCRIBED
.TAG 2620341.0/MTR
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL Jeremiah.Hanks@marincounty.gov