604  
FPMY50 PGUM 161707  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
307 AM CHST THU JUL 17 2025  
 
GUZ001-MPZ001>003-171115-  
GUAM-ROTA-TINIAN-SAIPAN-  
307 AM CHST THU JUL 17 2025  
   
TODAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. EAST  
WINDS 10 TO 15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.    
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 5 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. EAST WINDS 5 TO 15 MPH. HIGHS AROUND 86.  
LOWS AROUND 77. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS  
IN THE MID 80S.    
SUNDAY THROUGH WEDNESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE  
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
80S. LOWS IN THE UPPER 70S.  
 
 
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