496  
FNUS56 KEKA 201604  
FWFEKA  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
904 AM PDT SUN AUG 20 2017  
 
...OCCASIONAL NORTHEASTERLY GUSTS FROM 15 TO 25 MPH OVER INTERIOR  
DEL NORTE COUNTY THROUGH THIS EVENING...  
   
DISCUSSION
 
MODERATE NORTHEAST WINDS ARE FORECAST TO CONTINUE  
THIS MORNING IN AREAS ACROSS EXPOSED UPPER SLOPES AND RIDGES OVER  
DEL NORTE AND HUMBOLDT COUNTIES. THESE WINDS COMBINED WITH POOR  
RH RECOVERY WILL YIELD ELEVATED TO LOCALLY CRITICAL FIRE WEATHER  
CONDITIONS. A CUT-OFF LOW IS FORECAST TO DEVELOP NEAR COASTAL  
SOUTHERN CALIFORNIA EARLY NEXT WEEK, AND MAY AID IN THUNDERSTORM  
DEVELOPMENT DURING THE EVENING AND AFTERNOON HOURS ON MONDAY,  
TUESDAY, AND WEDNESDAY OVER PORTIONS OF TRINITY AND NORTHEASTERN  
MENDOCINO COUNTIES.  
 
CAZ201-210115-  
NORTH COAST-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...76-86.  
* MIN HUMIDITY...26-36 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 10 MPH.  
RIDGES...............NORTH WINDS 6 TO 11 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLEAR. PATCHY SMOKE THROUGH THE NIGHT.  
PATCHY FOG AFTER MIDNIGHT.  
* MIN TEMPERATURE...53-61.  
* MAX HUMIDITY...74-89 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH...SHIFTING TO  
THE NORTHEAST 5 MPH AFTER MIDNIGHT.  
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH...SHIFTING TO  
THE NORTHEAST 5 TO 7 MPH AFTER MIDNIGHT.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY. PATCHY FOG IN THE MORNING. PATCHY SMOKE  
THROUGH THE DAY.  
* MAX TEMPERATURE...74-84.  
* MIN HUMIDITY...33-43 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING  
WEST 5 TO 6 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 MPH...SHIFTING TO THE WEST IN  
THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ202-210115-  
COASTAL MENDOCINO-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. PATCHY  
FOG.  
* MAX TEMPERATURE...70-80.  
* MIN HUMIDITY...32-42 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......SOUTHWEST WINDS 5 TO 8 MPH.  
RIDGES...............EAST WINDS 5 TO 6 MPH...SHIFTING TO THE  
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...PARTLY CLOUDY. PATCHY FOG.  
* MIN TEMPERATURE...50-58.  
* MAX HUMIDITY...86-100 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......WEST WINDS 5 TO 6 MPH IN THE  
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2  
TO 4 MPH.  
RIDGES...............WEST WINDS 5 TO 6 MPH IN THE  
EVENING...BECOMING VARIABLE 2 TO 4 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE...70-80.  
* MIN HUMIDITY...42-52 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......SOUTH WINDS 5 TO 8 MPH.  
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5  
TO 7 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ203-204-210115-  
UPPER SMITH-LOWER MIDDLE KLAMATH-  
904 AM PDT SUN AUG 20 2017  
 
...OCCASIONAL NORTHEASTERLY GUSTS FROM 15 TO 25 MPH OVER INTERIOR  
DEL NORTE COUNTY THROUGH THIS EVENING...  
   
TODAY
 
 
* SKY/WEATHER...SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...88-98.  
* MIN HUMIDITY...13-21 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......NORTHEAST WINDS 8 TO 13 MPH.  
RIDGES...............NORTHEAST WINDS 9 TO 14 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...CLEAR. PATCHY SMOKE.  
* MIN TEMPERATURE...57-65.  
* MAX HUMIDITY...52-62 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......NORTHEAST WINDS 6 TO 11 MPH.  
RIDGES...............NORTHEAST WINDS 6 TO 11 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...86-96.  
* MIN HUMIDITY...20-28 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......EAST WINDS 5 TO 9 MPH...SHIFTING TO THE  
WEST 5 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 TO 8 MPH...SHIFTING TO THE  
WEST 5 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ211-212-210115-  
HOOPA-VAN DUZEN/MAD RIVER-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...85-95.  
* MIN HUMIDITY...16-24 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......EAST WINDS 5 TO 8 MPH...SHIFTING TO THE  
NORTHWEST 5 TO 9 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 TO 10 MPH...SHIFTING TO THE  
WEST 5 TO 8 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...CLEAR. PATCHY SMOKE.  
* MIN TEMPERATURE...58-66.  
* MAX HUMIDITY...56-71 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......WEST WINDS 5 TO 6 MPH IN THE  
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2  
TO 4 MPH.  
RIDGES...............NORTHWEST WINDS 5 TO 7 MPH IN THE  
EVENING...BECOMING VARIABLE 2 TO 4 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...84-94.  
* MIN HUMIDITY...22-30 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING  
WEST 5 TO 6 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 MPH...SHIFTING TO THE  
SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ276-210115-  
INTERIOR MENDOCINO-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE...85-95.  
* MIN HUMIDITY...18-26 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......SOUTHEAST WINDS 5 MPH...SHIFTING TO THE  
WEST 5 TO 9 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 TO 7 MPH...SHIFTING TO THE  
WEST 5 TO 9 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...CLEAR.  
* MIN TEMPERATURE...53-63.  
* MAX HUMIDITY...72-87 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......WEST WINDS 5 TO 7 MPH IN THE  
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2  
TO 4 MPH.  
RIDGES...............WEST WINDS 5 TO 6 MPH IN THE  
EVENING...BECOMING VARIABLE 2 TO 4 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY.  
* MAX TEMPERATURE...83-93.  
* MIN HUMIDITY...26-36 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING  
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.  
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5  
TO 7 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ283-210115-  
TRINITY-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE...86-96.  
* MIN HUMIDITY...13-21 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......EAST WINDS 5 TO 7 MPH...SHIFTING TO THE  
SOUTH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 TO 9 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLEAR. PATCHY SMOKE.  
* MIN TEMPERATURE...58-66.  
* MAX HUMIDITY...47-57 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......WEST WINDS 5 TO 7 MPH IN THE  
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2  
TO 4 MPH.  
RIDGES...............NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO  
THE NORTHEAST 5 MPH AFTER MIDNIGHT.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY THEN BECOMING PARTLY CLOUDY. PATCHY SMOKE.  
* MAX TEMPERATURE...87-97.  
* MIN HUMIDITY...17-25 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING  
SOUTH 5 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 MPH...SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
CAZ277-210115-  
W MENDOCINO NF/E MENDOCINO UNIT-  
904 AM PDT SUN AUG 20 2017  
   
TODAY
 
 
* SKY/WEATHER...SUNNY.  
* MAX TEMPERATURE...85-95.  
* MIN HUMIDITY...17-25 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......EAST WINDS 5 TO 7 MPH...SHIFTING TO THE  
WEST 5 TO 8 MPH IN THE AFTERNOON.  
RIDGES...............EAST WINDS 5 TO 10 MPH...SHIFTING TO THE  
WEST 5 TO 8 MPH IN THE AFTERNOON.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER...MOSTLY CLEAR.  
* MIN TEMPERATURE...60-69.  
* MAX HUMIDITY...53-63 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......WEST WINDS 5 TO 7 MPH IN THE  
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2  
TO 4 MPH.  
RIDGES...............NORTHWEST WINDS 5 MPH IN THE  
EVENING...BECOMING VARIABLE 2 TO 4 MPH.  
* LAL....1.  
* CHC OF WETTING RAIN...0 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE...84-94.  
* MIN HUMIDITY...24-32 PERCENT.  
* 20-FOOT WINDS...  
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING  
SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON.  
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5  
MPH IN THE AFTERNOON.  
* LAL....2.  
* CHC OF WETTING RAIN...0 PERCENT.  
 

 
 
   
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
 
 
   
..NORTHWEST CALIFORNIA COAST
 
   
TUESDAY
 
MOSTLY CLOUDY. PATCHY FOG. LOWS 49 TO 57. HIGHS 62 TO  
74. WEST WINDS 5 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. PATCHY FOG. LOWS 50 TO 58. HIGHS  
63 TO 73. NORTHWEST WINDS 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY. LOWS 50 TO 58. HIGHS 63 TO 73.  
NORTHWEST WINDS 5 MPH.    
FRIDAY
 
PARTLY CLOUDY. PATCHY FOG. LOWS 49 TO 57. HIGHS 65 TO  
75.    
SATURDAY
 
PARTLY CLOUDY. PATCHY FOG. LOWS 49 TO 57. HIGHS 67 TO  
77.  
   
..NORTHWEST CALIFORNIA INTERIOR
 
   
TUESDAY
 
PATCHY SMOKE. PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 56 TO 64. HIGHS 86 TO 99. WINDS  
GENERALLY LESS THAN 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 57 TO 65. HIGHS 84 TO 97. WEST WINDS 5 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 54 TO 62. HIGHS 84 TO 97. NORTHWEST WINDS  
5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 53 TO 61. HIGHS 84 TO 94.    
SATURDAY
 
MOSTLY CLEAR. LOWS 55 TO 63. HIGHS 86 TO 96.  
   
6 TO 10 DAY OUTLOOK
 
FRIDAY AUGUST 25 THROUGH TUESDAY AUGUST 29, 2017...  
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 

 
 
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