Zone Forecast Product
Issued by NWS Tiyan, Guam

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FPMY50 PGUM 140559
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
359 PM ChST Mon Jul 14 2025

GUZ001-MPZ001>003-142100-
Guam-Rota-Tinian-Saipan-
359 PM ChST Mon Jul 14 2025

.TONIGHT...Mostly cloudy. Isolated showers in the evening, then
scattered showers by midnight. Southeast winds 10 to 15 mph. Lows
around 78. Chance of showers 30 percent.
.TUESDAY...Partly sunny with scattered showers. Southeast winds
10 to 15 mph. Highs around 87. Chance of showers 30 percent.
.TUESDAY NIGHT...Mostly cloudy with isolated showers. Southeast
winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent.
.WEDNESDAY AND WEDNESDAY 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.
.THURSDAY...Partly sunny with isolated showers and thunderstorms.
East winds 15 to 20 mph. Highs around 87. Chance of showers
20 percent.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy with a 40
percent chance of showers and a slight chance of thunderstorms. Lows
in the upper 70s. Highs in the mid 80s.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a 30 percent chance of
showers and a slight chance of thunderstorms. Highs in the mid 80s.
Lows in the upper 70s.

$$