146  
FPMY50 PGUM 170528  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
328 PM CHST THU JUL 17 2025  
 
GUZ001-MPZ001>003-172100-  
GUAM-ROTA-TINIAN-SAIPAN-  
328 PM CHST THU JUL 17 2025  
   
TONIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS BECOMING SCATTERED  
SHOWERS BY MIDNIGHT. ISOLATED THUNDERSTORMS. EAST WINDS 10 TO 15  
MPH. LOWS AROUND 79. CHANCE OF SHOWERS 40 PERCENT.    
FRIDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND THUNDERSTORMS.  
EAST WINDS 10 TO 15 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 30  
PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 20 PERCENT.    
SATURDAY THROUGH SUNDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND  
86. LOWS AROUND 78. CHANCE OF SHOWERS 50 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 30 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  
THUNDERSTORMS. HIGHS IN THE MID 80S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.    
TUESDAY THROUGH WEDNESDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE  
UPPER 70S.    
WEDNESDAY NIGHT AND THURSDAY  
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.  
 
 
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