041  
FNUS76 KEKA 271331  
FWSEKA  
 
SPOT FORECAST FOR HAYWARD...USFS  
NATIONAL WEATHER SERVICE EUREKA CA  
631 AM PDT WED MAY 27 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
 
SHOWERY ACTIVITY WITH SOME THUNDERSTORM POTENTIAL IS  
EXPECTED OVER THE INTERIOR THROUGH THURSDAY. STORM CHANCES ARE AROUND  
10-15% OVER NORTHEASTERN TRINITY TODAY AND THURSDAY. LIGHTNING  
STRIKES, BRIEF HEAVY DOWNPOURS AND GUSTY, ERRATIC WINDS ARE  
POSSIBLE WITH THE STRONGEST STORMS. WEAK RIDGING WILL BUILD INTO  
NORTHWEST CALIFORNIA BY FRIDAY AS THE WEATHER DISTURBANCE MOVES  
OUT OF THE AREA.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......500-1500 FT AGL INCREASING TO 3400-3900 FT AGL  
LATE IN THE MORNING, THEN DECREASING TO 1900 FT  
AGL LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH AROUND 11 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN  
CHANCE OF RAIN AFTER MIDNIGHT.  
CWR.................45 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........99 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......500-1900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 7 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. RAIN  
SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................49 PERCENT.  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........64 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 2000-3300 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST AROUND 3 MPH.  
 

 
FORECASTER...JOHNATHON WHITE  
REQUESTED BY...C. WOODMAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614481.0/EKA  
.DELDT 05/27/26  
.EMAIL NATHAN.ULRICH@USDA.GOV,CHRISTOPHER.GRAHAM@USDA.GOV,CASEY.DUNN@USDA.GOV,CHRISTOPHER.WOODMAN@USDA.GOV  
 
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