961  
FPMY50 PGUM 161743  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
343 AM CHST THU SEP 17 2026  
 
GUZ001-MPZ001-171015-  
GUAM-ROTA-  
343 AM CHST THU SEP 17 2026  
   
TODAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 40 PERCENT.    
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 40 PERCENT.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS AROUND  
87. LOWS AROUND 77. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY NIGHT THROUGH WEDNESDAY  
MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE  
UPPER 70S. HIGHS IN THE MID 80S.  
 
 
 
MPZ002-003-171015-  
TINIAN-SAIPAN-  
343 AM CHST THU SEP 17 2026  
   
TODAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. HIGHS AROUND 88. CHANCE OF  
SHOWERS 30 PERCENT.    
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS AROUND  
87. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.  
.SATURDAY NIGHT THROUGH SUNDAY NIGHT..MOSTLY CLOUDY. A 40 PERCENT  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE  
UPPER 70S. HIGHS IN THE UPPER 80S.    
MONDAY THROUGH WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN  
THE UPPER 70S. CHANCE OF SHOWERS 50 PERCENT.  
 
 
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