440  
FNMY50 PGUM 121731  
FWFGUM  
 
FIRE WEATHER PLANNING FORECAST FOR GUAM  
NATIONAL WEATHER SERVICE TIYAN GU  
331 AM CHST FRI JUN 13 2025  
   
DISCUSSION
 
 
0.03 INCHES OF RAIN FELL YESTERDAY AT THE GUAM INTERNATIONAL  
AIRPORT, WHICH ALLOWED THE KBDI TO INCREASE TO 378, 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.  
 
GUZ001-132000-  
GUAM-  
331 AM CHST FRI JUN 13 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE RAIN (%) 30 30 20  
TEMP 87 75 87  
RH % 72 100 69  
20FTWND-VAL/AM(MPH) E 10 G17 E 8 G17  
20FTWND-RDG/PM(MPH) E 11 E 9 G17 E 8 G17  
MIXING HGT(FT-MSL) 5862 1 5984  
TRANSPORT WND (MPH) E 17 E 15 E 12  
 

 
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN  
THE MID 70S. EAST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH ISOLATED 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. HIGHS  
IN THE UPPER 80S. EAST WINDS 5 TO 20 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 70S. EAST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 10 TO 20 MPH.  
 

 
 
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