680  
FNUS76 KMTR 050114  
FWSMTR  
 
SPOT FORECAST FOR SITE 300 RX BURN 6/5/526...ALAMEDA COUNTY FIRE  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
614 PM PDT THU JUN 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON JUNE 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
STRONG NORTHWEST WIND PATTERN WILL CONTINUE FRIDAY  
AFTERNOON AND EVENING. A DRY COLD FRONT THIS WEEKEND WILL BRING  
EVEN STRONGER NORTHWEST WINDS SATURDAY AND SUNDAY AFTERNOON/EVENING.  
SKIES WILL REMAIN SUNNY/CLEAR WITH SEASONABLY WARM TEMPERATURES FRIDAY  
COOLING THROUGH THE WEEKEND.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....87-91.  
MIN HUMIDITY........21-25 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 7 TO 15 MPH. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
MARINE LAYER........NONE.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....59-63.  
MAX HUMIDITY........44-48 PERCENT.  
WIND (20 FT)........BREEZY. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS  
TO AROUND 30 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MARINE LAYER........NONE.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....74-78.  
MIN HUMIDITY........23-27 PERCENT.  
WIND (20 FT)........BREEZY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 30 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 18 MPH.  
MARINE LAYER........NONE.  
 

 
FORECASTER...R_WALBRUN  
REQUESTED BY...BRIAN DIREGOLO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614933.0/MTR  
.DELDT 06/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN.DIREGOLO@ALAMEDACOUNTYFIRE.GOV  
 
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