


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
760 FPMY50 PGUM 030500 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 300 PM ChST Wed Sep 3 2025 GUZ001-MPZ001-032130- Guam-Rota- 300 PM ChST Wed Sep 3 2025 .TONIGHT...Mostly cloudy with scattered showers. East winds 10 to 15 mph. Lows around 79. Chance of showers 30 percent. .THURSDAY...Partly sunny with scattered showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 40 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. East winds 10 to 15 mph in the evening becoming light. Lows around 79. Chance of showers 50 percent. .FRIDAY THROUGH SATURDAY...Mostly cloudy with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs around 87. Lows around 79. Chance of showers 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. .SUNDAY THROUGH TUESDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s. .WEDNESDAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. $$ MPZ002-003-032130- Tinian-Saipan- 300 PM ChST Wed Sep 3 2025 .TONIGHT...Mostly cloudy with scattered showers. East winds 10 to 15 mph. Lows around 79. Chance of showers 30 percent. .THURSDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Lows around 79. Chance of showers 30 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs around 87. Lows around 79. Chance of showers 30 percent. .SATURDAY...Partly sunny with scattered showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 30 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. .SUNDAY...Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs in the upper 80s. .SUNDAY NIGHT THROUGH WEDNESDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$