030  
FPMY50 PGUM 151746  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
346 AM CHST TUE SEP 16 2025  
 
GUZ001-MPZ001>003-160830-  
GUAM-ROTA-TINIAN-SAIPAN-  
346 AM CHST TUE SEP 16 2025  
   
TODAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS NEAR 87. CHANCE  
OF SHOWERS 40 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 79. CHANCE  
OF SHOWERS 50 PERCENT.   
WEDNESDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS NEAR 87. CHANCE  
OF SHOWERS 40 PERCENT.   
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT. LOWS IN THE UPPER 70S. CHANCE OF SHOWERS 40 PERCENT.   
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. EAST  
WINDS 10 TO 15 MPH. HIGHS NEAR 86. CHANCE OF SHOWERS 20 PERCENT.   
THURSDAY NIGHT THROUGH SUNDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN  
THE MID 80S.   
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.  
 
 
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