FNUS76 KMTR 192140 FWSMTR Spot Forecast for Site 300 RX burn 5/20/26...Alameda County Fire National Weather Service San Francisco CA 240 PM PDT Tue May 19 2026 Forecast is based on ignition time of 0800 PDT on May 20. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...Seasonally warm temperatures and critically low daytime humidities continue Wednesday and Thursday. Winds stay out of the west to northwest with gusts to around 25 mph in the afternoon/evening. Poor to fair overnight humidity recoveries are expected Wednesday and Thursday nights. Daytime and overnight humidities are expected to improve Friday into the weekend. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....85-89. Min humidity........12-16 percent. Wind (20 ft)........Northwest winds 5 to 15 mph. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......7900 ft AGL. Transport winds.....Northwest around 7 mph. Marine layer........None. .WEDNESDAY NIGHT... Sky/weather.........Clear. Min temperature.....62-66. Max humidity........30-34 percent. Wind (20 ft)........West winds 6 to 16 mph. Gusts up to 25 mph in the evening. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......400 ft AGL. Transport winds.....West around 11 mph. Marine layer........None. .THURSDAY... Sky/weather.........Sunny. Max temperature.....86-90. Min humidity........16-20 percent. Wind (20 ft)........Light winds becoming northwest 7 to 15 mph in the afternoon. Gusts to 25 mph in the evening. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......7600 ft AGL. Transport winds.....Northwest around 7 mph. Marine layer........None. $$ Forecaster...R_KENNEDY Requested by...Brian Diregolo Type of request...PRESCRIBED .TAG 2613999.0/MTR .DELDT 05/19/26 .FormatterVersion 2.0.0 .EMAIL brian.diregolo@alamedacountyfire.gov