


Spot Forecast
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
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