417  
FPMY50 PGUM 061144  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
944 PM CHST MON OCT 6 2025  
 
GUZ001-MPZ001>003-062000-  
GUAM-ROTA-TINIAN-SAIPAN-  
944 PM CHST MON OCT 6 2025  
 
UPDATED TO INCREASE SHOWERS TONIGHT.  
   
REST OF TONIGHT
 
CLOUDY WITH NUMEROUS AND ISOLATED THUNDERSTORMS.  
LOCALLY HEAVY SHOWERS POSSIBLE. EAST TO SOUTHEAST WINDS 5 TO 15 MPH.  
GUSTS TO 25 MPH NEAR HEAVIER SHOWERS. LOWS AROUND 78. CHANCE OF  
SHOWERS 60 PERCENT.   
TUESDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. EAST WINDS 10 TO 15  
MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON WITH WITH OCCASIONAL  
GUSTS TO 25 MPH. HIGHS AROUND 85. CHANCE OF SHOWERS 40 PERCENT.    
TUESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTH WINDS 15 TO 25 MPH WITH OCCASIONAL  
GUSTS TO 35 MPH. LOWS AROUND 77.CHANCE OF SHOWERS 50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
SOUTH WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS  
20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 77. CHANCE OF SHOWERS 20 PERCENT.    
THURSDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 87. CHANCE OF SHOWERS  
20 PERCENT.    
THURSDAY NIGHT THROUGH SUNDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 70S.    
COLUMBUS DAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE UPPER 80S.  
 

 
 
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