648  
WWUS86 KMTR 150718  
RFWMTR  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
1218 AM PDT THU OCT 15 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
MORNING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR NORTH BAY INTERIOR  
MOUNTAINS...  
 
.MODERATE OFFSHORE WINDS ARE EXPECTED TO DEVELOP THURSDAY NIGHT INTO  
FRIDAY MORNING OVER THE NORTH BAY INTERIOR MOUNTAINS. CONDITIONS WILL  
BE VERY DRY WITH VERY POOR OVERNIGHT HUMIDITY RECOVERIES ONLY  
REACHING 14 TO 24 PERCENT. RAPID FIRE SPREAD IS POSSIBLE GIVEN THE  
COMBINATION OF GUSTY NORTHERLY WINDS AND VERY DRY OVERNIGHT  
CONDITIONS.  
 
CAZ504-152100-  
/O.NEW.KMTR.FW.A.0001.261016T0500Z-261016T1800Z/  
NORTH BAY INTERIOR MOUNTAINS-  
1218 AM PDT THU OCT 15 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
MORNING...  
 
THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO CA HAS ISSUED A FIRE  
WEATHER WATCH.  
 
* AFFECTED AREA...NORTH BAY INTERIOR MOUNTAINS.  
 
* TIMING...FROM THIS EVENING THROUGH FRIDAY MORNING.  
 
* WINDS 20 FOOT...NORTH WINDS 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.  
 
* RELATIVE HUMIDITY...RELATIVE HUMIDITY BETWEEN 14 TO 24 PERCENT.  
 
* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.  
OUTDOOR BURNING IS NOT RECOMMENDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE  
FORECAST DURING THE VALID WATCH TIME. THESE CONDITIONS COULD PROMOTE  
THE RAPID SPREAD OF WILDFIRES WHICH COULD BECOME LIFE-THREATENING.  
CHECK WEATHER.GOV/MTR FOR FORECAST UPDATES AND A POSSIBLE UPGRADE OF  
THIS WATCH TO A RED FLAG WARNING. ALSO CONSIDER SIGNING UP FOR YOUR  
CITY, COUNTY, OR STATE EMERGENCY ALERT SYSTEM.  
 
FOLLOW ALL FIRE RESTRICTIONS. ONE LESS SPARK, ONE LESS WILDFIRE.  
 
NEVER LEAVE BURNING DEBRIS OR CAMP FIRES UNATTENDED; EXTINGUISH THEM  
COMPLETELY. AVOID USING EQUIPMENT OR MACHINERY THAT COULD CREATE A  
SPARK. SECURE TOW CHAINS TO AVOID DRAGGING AND SUBSEQUENT SPARKS.  
NEVER TOSS CIGARETTE BUTTS OUT OF YOUR VEHICLE'S WINDOW. REMEMBER,  
ONE LESS SPARK, ONE LESS FLAME.  
 

 
 

 
 
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