024  
FPMY50 PGUM 170526  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
326 PM CHST WED JUN 17 2026  
 
GUZ001-MPZ001>003-172200-  
GUAM-ROTA-TINIAN-SAIPAN-  
326 PM CHST WED JUN 17 2026  
   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.    
THURSDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. NORTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE  
OF SHOWERS 40 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS LOCALLY HEAVY SHOWERS  
AND ISOLATED THUNDERSTORMS. EAST WINDS 10 TO 15 MPH FOR ROTA,  
TINIAN, AND SAIPAN. VARIABLE WINDS 5 MPH FOR GUAM. GUSTS OF 25 MPH  
POSSIBLE WITH HEAVIER SHOWERS AND THUNDERSTORMS. LOWS AROUND 78.  
CHANCE OF SHOWERS 60 PERCENT.   
JUNETEENTH
 
MOSTLY CLOUDY WITH NUMEROUS LOCALLY HEAVY SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. GUSTS OF 25 MPH  
POSSIBLE WITH HEAVIER SHOWERS AND THUNDERSTORMS. HIGHS AROUND 86.  
CHANCE OF SHOWERS 60 PERCENT.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. LOWS AROUND 78.  
HIGHS AROUND 88. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
SUNDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.  
 

 
 
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