596  
FNUS76 KEKA 170318  
FWSEKA  
 
SPOT FORECAST FOR HWY 29 LAKEPORT...CAL FIRE  
NATIONAL WEATHER SERVICE EUREKA CA  
818 PM PDT TUE JUN 16 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
IF YOU HAVE QUESTIONS OR CONCERNS REGARDING THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (707) 443-6484  
 
PLEASE DO NOT RESPOND DIRECTLY IF YOU HAVE RECEIVED THIS IN AN EMAIL.  
   
DISCUSSION  
THE ONGOING HEATWAVE WILL FINALLY BEGIN TO PULL BACK  
ON WEDNESDAY AS A BROAD UPPER LEVEL TROUGH APPROACHES THE WEST  
COAST. WHILE INTERIOR TEMPERATURES WILL EASE SLIGHTLY INTO THE  
MID-90S, FINE FUELS REMAIN EXTREMELY DRY FOLLOWING THE RECENT  
EXTREME HEAT. LIGHT TERRAIN-DRIVEN FLOW IN THE MORNING WILL GIVE  
WAY TO A GENERAL SOUTHWESTERLY AFTERNOON WIND UP TO 7 MPH, WITH  
LOCALIZED WIND GUSTS PEAKING NEAR 10 MPH AROUND 3:00 PM PDT.  
EXCELLENT VERTICAL MIXING WILL DEVELOP BY WEDNESDAY AFTERNOON,  
SUPPORTING MIXING HEIGHTS UP TO 3700 FT AGL. LOOKING AHEAD, THE  
COOLING TREND TAKES PLACE THURSDAY WITH HIGHS DROPPING INTO THE  
UPPER 80S, THOUGH MINIMUM RELATIVE HUMIDITY VALUES WILL HOVER IN  
THE MID-30 PERCENT RANGE. THE APPROACHING TROUGH WILL ALSO BEGIN  
INTRODUCING MID-LEVEL INSTABILITY (SMALL DRY LIGHTNING RISK) AND  
MOISTURE OVER THE REGIONAL HIGH TERRAIN LATE THURSDAY INTO FRIDAY.  
 
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........30 PERCENT.  
WIND (20 FT)........VARIABLE 2 TO 4 MPH...BECOMING SOUTH 5 TO 7 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1100-2900 FT AGL INCREASING TO 2400-3700 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 6 MPH IN THE  
EVENING...BECOMING VARIABLE 2 TO 4 MPH.  
MIXING HEIGHT.......500-2400 FT AGL DECREASING TO 400 FT AGL LATE  
IN THE EVENING.  
TRANSPORT WINDS.....WEST AROUND 6 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING SOUTH 5 TO 8 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......400-2300 FT AGL INCREASING TO 2800-3600 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 6 MPH.  
 
 
FORECASTER...HEINLEIN  
REQUESTED BY...CHRIS ARAGON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2615137.0/EKA  
.DELDT 06/16/26  
.EMAIL CHRIS.ARAGON@FIRE.CA.GOV,PETER.AVANSINO@FIRE.CA.GOV  
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