241  
FNMY50 PGUM 121749  
FWFGUM  
 
FIRE WEATHER PLANNING FORECAST FOR GUAM  
NATIONAL WEATHER SERVICE TIYAN GU  
349 AM CHST FRI MAR 13 2026  
   
DISCUSSION
 
 
2.93 INCHES OF RAIN FELL AT GUAM INTERNATIONAL AIRPORT YESTERDAY,  
AND THE KBDI REMAINS AT 0. CHANCES FOR HEAVY RAINFALL ARE  
EXPECTED TO CONTINUE THROUGH THE NEXT COUPLE OF DAYS, AND THE KBDI  
WILL STRUGGLE TO CLIMB BACK UP THROUGH THE WEEKEND.  
 
GUZ001-131800-  
GUAM-  
349 AM CHST FRI MAR 13 2026  
 
TODAY TONIGHT SAT  
 
CLOUD COVER CLOUDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE RAIN (%) 70 30 30  
TEMP 84 74 86  
RH % 74 96 73  
20FTWND-VAL/AM(MPH) S 14 W 7  
20FTWND-RDG/PM(MPH) SW 15G23 SW 10 NW 11  
MIXING HGT(FT-MSL) 4179 193 5746  
TRANSPORT WND (MPH) SW 21 SW 7 NW 13  
 

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

 
 
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