416  
FNUS76 KMTR 252310  
FWSMTR  
 
SPOT FORECAST FOR BAYO BURN...CONTRA COSTA COUNTY FIRE PROTECTION DISTRICT.  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
410 PM PDT THU JUN 25 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON JUNE 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
COOLER TEMPERATURES WILL CONTINUE THROUGH LATE WEEK  
AND INTO THE WEEKEND. A DEEPER MARINE LAYER WILL PREVAIL WITH  
INCREASING LOW CLOUDS AND MORNING DRIZZLE TOMORROW AND SATURDAY  
MORNINGS. NIGHTTIME RECOVERIES WILL BE EXCELLENT.  
   
FRIDAY
 
 
SKY/WEATHER.........MORNING LOW CLOUDS WITH DRIZZLE OTHERWISE  
PARTLY CLOUDY.  
MAX TEMPERATURE.....67-70.  
MIN HUMIDITY........50-55 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 15 MPH INCREASING TO 15  
TO 25 MPH.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO 15 TO 20 MPH  
IN THE AFTERNOON.  
MARINE LAYER........2500 FT.  
 
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH DRIZZLE LATE.  
MIN TEMPERATURE.....55-59.  
MAX HUMIDITY........89-95 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH.  
MIXING HEIGHT.......2000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MARINE LAYER........2500 FT.  
   
SATURDAY
 
 
MAX TEMPERATURE.....67-71.  
MIN HUMIDITY........49-53 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 15 MPH INCREASING TO 15 TO 25  
MPH.  
MARINE LAYER........2500 FT.  
   
SATURDAY NIGHT
 
 
MIN TEMPERATURE.....51-55.  
MAX HUMIDITY........89-95 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 12 MPH WITH A FEW EVENING GUSTS  
TO 20 MPH.  
MARINE LAYER........2500 FT.  
 

 
FORECASTER...R_CANEPA  
REQUESTED BY...DEREK COCHNAUER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2616229.0/MTR  
.DELDT 06/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DCOCH@CCCFPD.ORG  
 
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