Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
917 FPMY50 PGUM 281758 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 358 AM ChST Sat Nov 29 2025 GUZ001-MPZ001-290815- Guam-Rota- 358 AM ChST Sat Nov 29 2025 .TODAY...Partly sunny with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs near 87. Chance of showers 30 percent. .TONIGHT...Mostly cloudy with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Lows around 78. Chance of showers 50 percent. .SUNDAY...Breezy. Cloudy with numerous showers and isolated thunderstorms. East winds 15 to 25 mph. Highs near 86. Chance of showers 60 percent. .SUNDAY NIGHT...Breezy. Mostly cloudy with numerous showers and isolated thunderstorms. East winds 15 to 25 mph. Lows around 79. Chance of showers 60 percent. .MONDAY...Breezy. Cloudy with numerous showers and isolated thunderstorms. Southeast winds 15 to 25 mph. Highs around 86. Chance of showers 60 percent. .MONDAY NIGHT AND TUESDAY...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. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. .WEDNESDAY...Partly cloudy with a 20 percent chance of showers. Highs in the mid 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. .THURSDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms. Lows around 80. Highs in the mid 80s. Chance of showers 30 percent. $$ MPZ002-003-290815- Tinian-Saipan- 358 AM ChST Sat Nov 29 2025 .TODAY...Breezy. Partly sunny. Scattered showers in the morning, then isolated showers in the afternoon. East winds 15 to 25 mph. Highs around 87. Chance of showers 30 percent. .TONIGHT...Breezy. Mostly cloudy with scattered showers. East winds 15 to 25 mph. Lows around 79. Chance of showers 40 percent. .SUNDAY...Breezy. Cloudy with scattered showers and isolated thunderstorms. East winds 15 to 25 mph. Highs around 87. Chance of showers 50 percent. .SUNDAY NIGHT AND MONDAY...Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. East winds 15 to 25 mph. Lows around 80. Highs around 87. Chance of showers 50 percent. .MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy. A 50 percent chance of showers. Lows around 80. Highs in the mid 80s. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows around 80. Highs in the upper 80s. .THURSDAY...Partly sunny with a 20 percent chance of showers. Highs in the mid 80s. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows around 80. .FRIDAY...Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Chance of showers 30 percent. $$