718
FNUS76 KMTR 102211
FWSMTR

Spot Forecast for STEELE...CALFIRE SONOMA-LAKE-NAPA-LNU
National Weather Service San Francisco CA
311 PM PDT Thu Sep 10 2026

Forecast is based on forecast start time of 1500 PDT on September 10.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.DISCUSSION...Today will be last day of really hot and dry
conditions  over the Steele Incident. Onshore flow will return
later Thursday and Thursday night kicking off a subtle cooling
and moistening trend. That being said, Friday will still be
relatively hot and dry. Winds will be light and terrain drive
overnight and early morning hours. The onshore flow will bring
stronger winds each afternoon and evening out of the southwest.
More widespread cooling and moistening is expected this weekend.

.REST OF TODAY...

Sky/weather.........Sunny. Patchy smoke.
Max temperature.....96-100.
Min humidity........18-23 percent.
Wind (20 ft)........Southwest winds around 10 mph with gusts to
                    around 17 mph.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......5100 ft AGL.
Transport winds.....West around 15 mph.
Marine layer........None.

.TONIGHT...

Sky/weather.........Mostly clear. Patchy smoke in the evening.
Min temperature.....60-65.
Max humidity........60-70 percent.
Wind (20 ft)........Southwest winds 5 to 9 mph with gusts to around
                    16 mph in the evening becoming light less than
                    5 mph - terrain driven.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......400 ft AGL.
Transport winds.....West around 11 mph.
Marine layer........None.

.FRIDAY...

Sky/weather.........Sunny. Patchy smoke in the afternoon.
Max temperature.....88-92.
Min humidity........20-30 percent.
Wind (20 ft)........Light winds less than 5 mph becoming southwest 6 to 9 mph in
                    the afternoon. Gusts up to 15 mph in the afternoon
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......2600 ft AGL.
Transport winds.....West around 9 mph.
Marine layer........None.

$$
Forecaster...M_MEHLE
Requested by...Matthew Selzer
Type of request...WILDFIRE
.TAG 2621610.0/MTR
.DELDT 09/10/26
.FormatterVersion 2.0.0
.EMAIL matt.selzer@fire.ca.gov