Zone Forecast Product
Issued by NWS Tiyan, Guam

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108
FPMY50 PGUM 040528
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
328 PM ChST Fri Jul 4 2025

GUZ001-MPZ001>003-042300-
Guam-Rota-Tinian-Saipan-
328 PM ChST Fri Jul 4 2025

.TONIGHT...Partly cloudy with isolated showers. Southeast winds 5 to
10 mph. Lows around 78. Chance of showers 20 percent.
.SATURDAY...Partly sunny with scattered showers and isolated
thunderstorms. Southeast winds 5 to 10 mph. Highs around 87. Chance
of showers 30 percent.
.SATURDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Light and variable winds. Lows around 78. Chance of
showers 30 percent.
.SUNDAY...Mostly cloudy with scattered showers and isolated
thunderstorms. South to southwest winds around 5 mph. Highs around
87. Chance of showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Light and variable winds. Lows around 78. Chance of
showers 30 percent.
.MONDAY...Mostly cloudy with scattered showers and isolated
thunderstorms. South to southwest winds 5 to 10 mph. Highs around
87. Chance of showers 30 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Lows in the upper 70s. Chance of showers 40 percent.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy with a 40 percent
chance of showers and a slight chance of thunderstorms. Highs in the
upper 80s. Lows in the upper 70s.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a 30 percent chance of
showers and a slight chance of thunderstorms. Highs in the upper
80s. Lows in the upper 70s. Chance of showers 30 percent.

$$