Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
026 FPMY50 PGUM 030453 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 253 PM ChST Mon Nov 3 2025 GUZ001-MPZ001>003-032000- Guam-Rota-Tinian-Saipan- 253 PM ChST Mon Nov 3 2025 .TONIGHT...Partly cloudy with isolated showers, becoming mostly cloudy with scattered showers near midnight. East winds 10 to 15 mph. Lows around 78. Chance of showers 30 percent. .TUESDAY...Partly sunny with scattered showers. East winds 15 to 20 mph. Highs near 87. Chance of showers 30 percent. .TUESDAY NIGHT...Mostly cloudy with scattered showers and isolated thunderstorms. East winds 15 to 20 mph. Lows around 78. Chance of showers 50 percent. .WEDNESDAY...Breezy. Cloudy. Numerous heavy showers and isolated thunderstorms. East to southeast winds 15 to 25 mph. Highs near 86. Chance of showers 60 percent. .WEDNESDAY NIGHT AND THURSDAY...Windy. Cloudy with numerous heavy showers and isolated thunderstorms. Southeast winds 20 to 30 mph. Lows around 76. Highs near 84. Chance of showers 70 percent. .THURSDAY NIGHT THROUGH SATURDAY...Breezy. 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. .SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the upper 80s. $$