502  
FPMY50 PGUM 140047 AAA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...UPDATED  
NATIONAL WEATHER SERVICE TIYAN GU  
1047 AM CHST MON SEP 14 2026  
 
GUZ001-MPZ001>003-140900-  
GUAM-ROTA-TINIAN-SAIPAN-  
1047 AM CHST MON SEP 14 2026  
 
UPDATED TO COMBINE ZONES AND INCREASE WINDS AND SHOWER COVERAGE FOR  
REST OF TODAY AND TONIGHT.  
   
REST OF TODAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. NORTHEAST WINDS 5 TO  
15 MPH WITH GUSTS TO 25 MPH NEAR HEAVIER SHOWERS. HIGHS AROUND 86.  
CHANCE OF SHOWERS 50 PERCENT.   
TONIGHT
 
CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.  
NORTHEAST WINDS 5 TO 15 MPH WITH GUSTS TO 25 MPH NEAR HEAVIER  
SHOWERS. LOCALLY HEAVY SHOWERS POSSIBLE. LOWS AROUND 76. CHANCE OF  
SHOWERS 60 PERCENT.   
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. NORTHEAST WINDS AROUND 10 MPH IN THE  
MORNING BECOMING LIGHT AND VARIABLE. HIGHS AROUND 87. LOWS AROUND 77.  
CHANCE OF SHOWERS 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 87.   
WEDNESDAY NIGHT THROUGH SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
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