575  
FPMY50 PGUM 120500  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
300 PM CHST SAT JUL 12 2025  
 
GUZ001-MPZ001>003-122100-  
GUAM-ROTA-TINIAN-SAIPAN-  
300 PM CHST SAT JUL 12 2025  
   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 50 PERCENT.    
SUNDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 85. CHANCE  
OF SHOWERS 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 50 PERCENT.    
MONDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS  
20 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE  
OF SHOWERS 30 PERCENT.    
TUESDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS. SOUTHEAST WINDS  
10 TO 15 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 30 PERCENT.    
TUESDAY NIGHT AND WEDNESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.    
WEDNESDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.  
HIGHS IN THE MID 80S. CHANCE OF SHOWERS 40 PERCENT.  
 

 
 
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