FNUS76 KMTR 120400 FWSMTR Spot Forecast for Chews Ri...USFS National Weather Service San Francisco CA 800 PM PST Thu Dec 11 2025 Forecast is based on ignition time of 2000 PST on December 11. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...Winds are currently northeast between 5-10 mph with occasional breezes higher than that overnight, with a northerly component. With little to no RH recovery expected overnight above a strong nocturnal inversion, RH values will likely be in the low 20s shortly after sunrise with no appreciable improvement during the day. Southeast winds will persist much of the day, then becoming southerly Friday night with gradual improvement in RH values this weekend. Daytime temperatures will be right around normal for this time of year. .FRIDAY... Sky/weather.........Sunny. Max temperature.....69-73. Min humidity........20-24 percent. Wind (20 ft)........Southeast winds 5 to 8 mph in the morning becoming light. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......200 ft AGL. Transport winds.....East around 5 mph. Marine layer........None. .FRIDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....51-55. Max humidity........30-34 percent. Wind (20 ft)........South winds 5 to 9 mph. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......0 ft AGL. Transport winds.....Southeast around 6 mph. Marine layer........None. .SATURDAY... Sky/weather.........Sunny. Max temperature.....66-70. Min humidity........30-34 percent. Wind (20 ft)........South winds 7 to 8 mph in the morning becoming light. CWR.................1 percent. Chance of thunder...0 percent. Mixing height.......700 ft AGL. Transport winds.....Southeast around 5 mph. Marine layer........None. $$ Forecaster...J_MERCHANT Requested by...Rodolfo uribe Type of request...PRESCRIBED .TAG 2527546.0/MTR .DELDT 12/11/25 .FormatterVersion 2.0.0 .EMAIL rodolfo.uribe@usda.gov