857  
FNMY50 PGUM 011749  
FWFGUM  
 
FIRE WEATHER PLANNING FORECAST FOR GUAM  
NATIONAL WEATHER SERVICE TIYAN GU  
349 AM CHST WED APR 2 2025  
   
DISCUSSION
 
 
ONLY A TRACE OF RAIN FELL AT THE GUAM INTERNATIONAL AIRPORT  
YESTERDAY. THIS ALLOWED THE KBDI TO RISE, WITH TODAY'S READING AT  
630, WHICH IS IN THE HIGH CATEGORY. WINDS WILL BE A BIT LOWER  
TODAY, BUT CAN BE EXPECTED TO BE STRONGER IN HIGHER TERRAIN, AND  
THE FIRE DANGER WILL REMAIN ELEVATED. HOWEVER, CRITICAL (RED FLAG)  
FIRE WEATHER CONDITIONS LOOK TO NOT BE REACHED. DRIER CONDITIONS  
ARE EXPECTED FOR THE COMING DAYS AND THE FIRE WEATHER THREAT  
WILL CONTINUE TO RISE.  
 
GUZ001-021800-  
GUAM-  
349 AM CHST WED APR 2 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS  
CHANCE RAIN (%) 20 20 20  
TEMP 87 75 88  
RH % 61 86 59  
20FTWND-VAL/AM(MPH) E 10 G16 E 8  
20FTWND-RDG/PM(MPH) E 13 G21 E 10 E 11 G17  
MIXING HGT(FT-MSL) 5965 1100 5682  
TRANSPORT WND (MPH) E 17 SE 7 E 18  
 

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

 
 
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