109  
FNUS86 KSGX 050934  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
234 AM PDT THU JUN 5 2025  
 
ECC033-060345-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
234 AM PDT THU JUN 5 2025  
 
THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THIS  
AFTERNOON FOR THE SAN BERNARDINO MOUNTAINS AND ADJACENT HIGH DESERT  
AREAS WITH THE CHANCE OF WETTING RAIN LESS THAN 10 PERCENT. THERE  
WILL BE A GRADUAL WARMING TREND THROUGH THE WEEKEND, CONTINUING  
INTO EARLY NEXT WEEK FOR THE MOUNTAINS AND DESERTS, FOLLOWED BY A  
COOLING TREND FOR THE MIDDLE OF NEXT WEEK. A MARINE LAYER AROUND  
3000 FEET DEEP INTO FRIDAY MORNING MAY DECREASE TO AROUND 1500 TO  
2000 FEET DURING THE WEEKEND AND FLUCTUATE AROUND THAT RANGE OR  
DEEPEN SLIGHTLY INTO NEXT WEEK.  
 

 
 
ECC035-060345-  
MONTE VISTA ECC DISPATCH-  
234 AM PDT THU JUN 5 2025  
 
THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THIS  
AFTERNOON FOR THE SAN BERNARDINO MOUNTAINS AND ADJACENT HIGH DESERT  
AREAS WITH THE CHANCE OF WETTING RAIN LESS THAN 10 PERCENT. THERE  
WILL BE A GRADUAL WARMING TREND THROUGH THE WEEKEND, CONTINUING  
INTO EARLY NEXT WEEK FOR THE MOUNTAINS AND DESERTS, FOLLOWED BY A  
COOLING TREND FOR THE MIDDLE OF NEXT WEEK. A MARINE LAYER AROUND  
3000 FEET DEEP INTO FRIDAY MORNING MAY DECREASE TO AROUND 1500 TO  
2000 FEET DURING THE WEEKEND AND FLUCTUATE AROUND THAT RANGE OR  
DEEPEN SLIGHTLY INTO NEXT WEEK.  
 

 
 
ECC034-060345-  
RIVERSIDE ECC DISPATCH-  
234 AM PDT THU JUN 5 2025  
   
..DISCUSSION FROM LAXFWFSGX
 
 
THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THIS  
AFTERNOON FOR THE SAN BERNARDINO MOUNTAINS AND ADJACENT HIGH DESERT  
AREAS WITH THE CHANCE OF WETTING RAIN LESS THAN 10 PERCENT. THERE  
WILL BE A GRADUAL WARMING TREND THROUGH THE WEEKEND, CONTINUING  
INTO EARLY NEXT WEEK FOR THE MOUNTAINS AND DESERTS, FOLLOWED BY A  
COOLING TREND FOR THE MIDDLE OF NEXT WEEK. A MARINE LAYER AROUND  
3000 FEET DEEP INTO FRIDAY MORNING MAY DECREASE TO AROUND 1500 TO  
2000 FEET DURING THE WEEKEND AND FLUCTUATE AROUND THAT RANGE OR  
DEEPEN SLIGHTLY INTO NEXT WEEK.  
   
..DISCUSSION FROM PHXFWFPSR
 
 
DRYING CONDITIONS AND HOTTER TEMPERATURES ARE EXPECTED INTO THE  
WEEKEND. AFTERNOON MINRHS WILL DECREASE FROM 15-20% TODAY TO 7-12%  
BY SATURDAY AS LOWER DESERT HIGH TEMPERATURES INCREASE INTO THE  
LOWER TRIPLE DIGITS, WHICH IS NEAR NORMAL RANGE FOR THIS TIME OF  
YEAR. OVERNIGHT RHS WILL ALSO DECREASE FROM 30-45% TONIGHT TO  
25-35% FRIDAY NIGHT. WINDS SHOULD FOLLOW FAIRLY TYPICAL DIURNAL  
TENDENCIES WITH PERIODIC AFTERNOON UPSLOPE GUSTINESS.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN  
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 

 
 
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