842  
FNUS76 KMTR 042327  
FWSMTR  
 
SPOT FORECAST FOR MADDOCKS PRESCRIBED BURN...GRATON FIRE PROTECTION DISTRICT  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
427 PM PDT THU JUN 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON JUNE 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A DRY COLD FRONT PASSING OVER THE REGION WILL KEEP SKIES  
MOSTLY SUNNY BUT WITH BREEZY NORTHWEST WINDS DURING THE AFTERNOON HOURS  
OF SATURDAY. RH VALUES AROUND 25-30 PERCENT DURING THE AFTERNOON WITH MODERATE  
RECOVERY SATURDAY NIGHT INTO SUNDAY. SIMILAR CONDITIONS FORECAST SUNDAY  
WITH A SLIGHT CHANCE OF LIGHT RAIN BY MONDAY AS A LATE SEASON STORM APPROACHES  
NORTHERN CALIFORNIA.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....79-83.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 20 MPH AFTER 1300 HOURS.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......3300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.  
MARINE LAYER........1000 FT EARLY THEN MIXING OUT BY LATE MORNING.  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....49-53.  
MAX HUMIDITY........65-70 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 8 TO 18 MPH WITH GUSTS TO  
AROUND 25 MPH THROUGH 2000 HOURS.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.  
MARINE LAYER........NONE IN THE EVENING THEN 500 FEET BY MORNING.  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....79-83.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE  
AFTERNOON.  
CWR.................1 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......2700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH.  
MARINE LAYER........1000 FEET EARLY THEN MIXING OUT BY 1000 HOURS.  
 
 
FORECASTER...R_WALBRUN  
REQUESTED BY...DUSTIN BLUMENTHAL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614690.0/MTR  
.DELDT 06/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DBLUMENTHAL@GRATONFIRE.COM  
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