933  
FPMY50 PGUM 270605  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
405 PM CHST WED MAY 27 2026  
 
GUZ001-MPZ001-272200-  
GUAM-ROTA-  
405 PM CHST WED MAY 27 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. SOUTHEAST WINDS 10 TO  
15 MPH WITH OCCASIONAL GUSTS TO 25 MPH NEAR SHOWERS. LOWS AROUND 76.  
CHANCE OF SHOWERS 50 PERCENT.   
THURSDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. SOUTHEAST WINDS 10 TO  
15 MPH WITH OCCASIONAL GUSTS TO 25 MPH NEAR SHOWERS. HIGHS AROUND  
86. CHANCE OF SHOWERS 50 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 50 PERCENT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND  
85. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.    
SATURDAY  
PARTLY SUNNY WITH ISOLATED SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE  
OF SHOWERS 20 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.    
SUNDAY NIGHT THROUGH WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 
 
 
MPZ002-003-272200-  
TINIAN-SAIPAN-  
405 PM CHST WED MAY 27 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS AROUND 15 MPH WITH OCCASIONAL GUSTS TO 25  
MPH NEAR SHOWERS. LOCALLY HEAVY SHOWERS POSSIBLE. LOWS AROUND 76.  
CHANCE OF SHOWERS 40 PERCENT.   
THURSDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 86. CHANCE  
OF SHOWERS 50 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 40 PERCENT.    
FRIDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS. SOUTHEAST WINDS 10 TO  
15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS  
10 TO 15 MPH. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTHEAST WINDS  
10 TO 15 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY NIGHT THROUGH WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 
 
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