Zone Forecast Product
Issued by NWS Tiyan, Guam

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733
FPMY50 PGUM 131805 CCA
ZFPGUM

Zone Forecast for Guam and the Northern Marianas...CORRECTED
National Weather Service Tiyan GU
405 AM ChST Thu Aug 14 2025

GUZ001-140900-
Guam-
405 AM ChST Thu Aug 14 2025

Corrected missing change in cloud cover Friday.

.TODAY...Partly cloudy with isolated showers in the morning, then
mostly cloudy with scattered showers and isolated thunderstorms in
the afternoon. Light and variable winds. Highs around 88. Chance of
showers 30 percent.
.TONIGHT...Mostly cloudy with isolated showers. Light and variable
winds. Lows around 77. Chance of showers 20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning, then
mostly cloudy with scattered showers in the afternoon. Light and
variable winds. Highs around 88. Chance of showers 30 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy with isolated showers and
thunderstorms. East winds 10 to 15 mph. Lows around 77. Highs around
88. Chance of showers 20 percent.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly cloudy. A 20 percent chance
of showers and thunderstorms. Lows in the upper 70s. Highs in the
upper 80s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. A chance of showers
and a slight chance of thunderstorms. Lows in the upper 70s. Highs
in the upper 80s. Chance of showers 30 percent.

$$

MPZ001>003-140900-
Rota-Tinian-Saipan-
405 AM ChST Thu Aug 14 2025

.TODAY...Mostly sunny in the morning then becoming partly cloudy.
Isolated showers and thunderstorms. Light and variable winds. Highs
around 88. Chance of showers 20 percent.
.TONIGHT...Partly cloudy with isolated showers. Light and variable
winds. Lows around 78. Chance of showers 20 percent.
.FRIDAY...Partly cloudy with isolated showers. Light and variable
winds. Highs around 87. Chance of showers 20 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy with isolated showers and
thunderstorms. East winds 10 to 15 mph. Lows around 78. Highs around
87. Chance of showers 20 percent.
.SATURDAY NIGHT THROUGH TUESDAY...Partly cloudy with a 20 percent
chance of showers and thunderstorms. Lows in the upper 70s. Highs in
the upper 80s.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s.
.WEDNESDAY...Partly cloudy with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.

$$