883  
FPMY50 PGUM 120621  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
421 PM CHST SUN JUL 12 2026  
 
GUZ001-MPZ001>003-122100-  
GUAM-ROTA-TINIAN-SAIPAN-  
421 PM CHST SUN JUL 12 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 75. CHANCE OF  
SHOWERS 50 PERCENT.    
MONDAY  
CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.  
SOUTHEAST WINDS 10 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 60  
PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE OF  
SHOWERS 30 PERCENT.    
TUESDAY AND TUESDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS  
AROUND 88. LOWS AROUND 77. CHANCE OF SHOWERS 50 PERCENT.   
WEDNESDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS  
AROUND 88. CHANCE OF SHOWERS 40 PERCENT.   
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. LOWS  
IN THE MID 70S. CHANCE OF SHOWERS 50 PERCENT.    
THURSDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS AROUND 88. CHANCE  
OF SHOWERS 30 PERCENT.   
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. CHANCE OF  
SHOWERS 40 PERCENT.   
FRIDAY THROUGH SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE  
MID 70S. CHANCE OF SHOWERS 30 PERCENT.   
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.  
 
 
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