259  
FPMY50 PGUM 130555  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
355 PM CHST MON JUL 13 2026  
 
GUZ001-MPZ001>003-132130-  
GUAM-ROTA-TINIAN-SAIPAN-  
355 PM CHST MON JUL 13 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE OF  
SHOWERS 40 PERCENT.    
TUESDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS AROUND 87. CHANCE  
OF SHOWERS 50 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 10 TO 20 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 50 PERCENT.    
WEDNESDAY THROUGH THURSDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS  
AROUND 87. LOWS AROUND 77. CHANCE OF SHOWERS 50 PERCENT.    
THURSDAY NIGHT THROUGH SATURDAY  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE  
UPPER 70S. HIGHS IN THE MID 80S.   
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.  
HIGHS IN THE MID 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.    
MONDAY  
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.  
 
 
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