496  
FNUS76 KEKA 031450  
FWSEKA  
 
SPOT FORECAST FOR HAYWARD...USFS  
NATIONAL WEATHER SERVICE EUREKA CA  
750 AM PDT WED JUN 3 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  
MID- TO HIGH-LEVEL MOISTURE IS STREAMING ACROSS THE  
AREA AHEAD OF AN APPROACHING WEAK COLD FRONT THIS MORNING. THIS  
IS PROMOTING GOOD RH RECOVERY VALUE AROUND 70-80 PERCENT FOR THE  
SPOT FORECAST. AFTERNOON RELATIVE HUMIDITY AROUND 28 PERCENT. WINDS  
WILL BECOME WEST- SOUTHWEST AT 6 TO 10 MPH IN THE WAKE OF THE  
FRONT THIS AFTERNOON. TEMPERATURES ARE EXPECTED TO COOL DOWN  
AROUND 5 DEGREES TODAY. A SURFACE HIGH PRESSURE WILL BRING A  
REBOUND ON TEMPERATURES AND DIURNAL RH VALUE IN THE UPPER TEEN TO  
LOW 20S ON THURSDAY. AFTERNOON MIXING LEVELS WILL REMAIN HIGH  
THROUGH THIS WEEKEND, WITH LAPSE RATE INCREASING ON THURSDAY.  
UNSTABLE WEATHER CONDITIONS WITH A COOLING TREND ARE EXPECTED  
FRIDAY AND THROUGH THE WEEKEND, WITH NO PRECIPITATION EXPECTED.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........VARIABLE 2 TO 5 MPH...BECOMING WEST-SOUTHWEST 6 TO  
10 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1400-1700 FT AGL INCREASING TO 6800-7600 FT  
AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........84 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH IN THE  
EVENING...BECOMING VARIABLE 1 TO 3 MPH.  
MIXING HEIGHT.......6800 FT AGL DECREASING TO 1600-3300 FT AGL  
EARLY IN THE EVENING.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........21 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH.  
MIXING HEIGHT.......1400-1600 FT AGL INCREASING TO 6400-6600 FT  
AGL.  
TRANSPORT WINDS.....NORTH AROUND 7 MPH.  
   
FORECAST DAYS 3 THROUGH 5  
   
FRIDAY  
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 5 MPH.    
SATURDAY  
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
WINDS GENERALLY LESS THAN 5 MPH.    
SUNDAY  
 
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. WINDS  
GENERALLY LESS THAN 5 MPH.  
 
 
FORECASTER...VELEZ  
REQUESTED BY...C. WOODMAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614893.0/EKA  
.DELDT 06/03/26  
.EMAIL CHRISTOPHER.WOODMAN@USDA.GOV  
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