Spot Forecast
Issued by NWS San Francisco Bay Area, CA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
691
FNUS76 KMTR 171451
FWSMTR

Spot Forecast for Snell Valley Ranch Rx...CALFIRE SONOMA-LAKE-NAPA-LNU
National Weather Service San Francisco CA
751 AM PDT Tue Jun 17 2025

Forecast is based on ignition time of 0800 PDT on June 18.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Hot and dry conditions will prevail at the burn site
Wednesday afternoon with moderate winds in the afternoon. Slightly
better humidity recovery Wednesday night into Thursday morning. Cooler
and slightly more moist conditions develop by Thursday as a trough of
low pressure moves in from the west. The trough will also bring windier
conditions to the burn site by Thursday afternoon.

.WEDNESDAY...

Sky/weather.........Sunny.
Max temperature.....95-99.
Min humidity........13-20 percent.
Wind (20 ft)........Light winds less than 5 mph becoming northwest
                    5 to 10 mph in the afternoon.  Gusts to 15 mph
                    in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......6600 ft AGL.
Transport winds.....Northwest around 8 mph.
Marine layer........None.

.WEDNESDAY NIGHT...

Sky/weather.........Clear.
Min temperature.....55-59.
Max humidity........55-65 percent.
Wind (20 ft)........West winds 5 to 10 mph.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......600 ft AGL.
Transport winds.....Northwest around 11 mph.
Marine layer........None.

.JUNETEENTH...

Sky/weather.........Sunny.
Max temperature.....86-90.
Min humidity........20-30 percent.
Wind (20 ft)........Light winds becoming southwest 6 to 12 mph in
                    the afternoon. Gusts up to 20 mph.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......4600 ft AGL.
Transport winds.....West around 10 mph.
Marine layer........None.

$$
Forecaster...M_MEHLE
Requested by...BC Robert Wettstein
Type of request...PRESCRIBED
.TAG 2516040.0/MTR
.DELDT 06/17/25
.FormatterVersion 2.0.0
.EMAIL robert.wettstein@fire.ca.gov