176  
FNMY50 PGUM 112310  
FWFGUM  
 
FIRE WEATHER PLANNING FORECAST FOR GUAM  
NATIONAL WEATHER SERVICE TIYAN GU  
910 AM CHST THU JUN 12 2025  
   
DISCUSSION
 
 
A WETTING RAIN OF 0.22 INCHES OF RAIN FELL YESTERDAY AT THE GUAM  
INTERNATIONAL AIRPORT, WHICH ALLOWED THE KBDI TO DECREASE TO 364,  
STILL WITHIN THE MODERATE CATEGORY FOR FIRE DANGER. WE STILL MAY  
SEE SMALL INCREASES IN THE KBDI, HOWEVER, CRITICAL FIRE WEATHER  
CONDITIONS ARE NOT LIKELY TO RETURN AT THIS TIME AS WE TRANSITION  
INTO WET SEASON.  
 
GUZ001-122315-  
GUAM-  
910 AM CHST THU JUN 12 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS TSTMS  
CHANCE RAIN (%) 30 20 30  
TEMP 87 75 87  
RH % 72 97 70  
20FTWND-VAL/AM(MPH) E 9 E 8  
20FTWND-RDG/PM(MPH) E 11 G 17 E 10 E 9 G18  
MIXING HGT(FT-MSL) 3780 165 3982  
TRANSPORT WND (MPH) E 20 SE 5 E 16  
 

 
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
MID 70S. EAST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS. HIGHS IN THE  
UPPER 80S. EAST WINDS 5 TO 20 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE MID 70S. EAST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 80S. EAST WINDS 5 TO 15 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE MID 70S. EAST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 80S. EAST WINDS 5 TO 15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE MID 70S. EAST WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE MID 80S. EAST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE MID 70S. EAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 20 MPH.  
 

 
 
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