808
FPMY50 PGUM 261749
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service TIYAN GU
Issued by National Weather Service Honolulu HI
349 AM ChST Fri Jun 27 2025

GUZ001-MPZ001-270930-
Guam-Rota-
349 AM ChST Fri Jun 27 2025

...FLOOD WATCH IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TODAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Highs around 86. Chance
of showers 40 percent.
.TONIGHT...Mostly cloudy with numerous showers and isolated
thunderstorms. Locally heavy downpours possible. South winds 10 to
15 mph. Lows around 76. Chance of showers 60 percent.
.SATURDAY AND SATURDAY NIGHT...Cloudy with numerous showers and
isolated thunderstorms. Locally heavy downpours possible. Southwest
winds around 10 mph. Highs around 85. Lows around 76. Chance of
showers 60 percent.
.SUNDAY...Cloudy with numerous showers and isolated thunderstorms.
Locally heavy downpours possible. South winds 10 to 15 mph. Highs
around 85. Chance of showers 60 percent.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Locally heavy downpours possible. Lows in
the mid to upper 70s. Chance of showers 60 percent.
.MONDAY...Mostly cloudy with a 40 percent chance of showers and a
slight chance of thunderstorms. Highs in the upper 80s.
.MONDAY NIGHT THROUGH THURSDAY...Mostly cloudy with a 30 percent
chance of showers and a slight chance of thunderstorms. Lows in the
upper 70s. Highs in the upper 80s.

$$

MPZ002-003-270930-
Tinian-Saipan-
349 AM ChST Fri Jun 27 2025

...FLOOD WATCH IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TODAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Highs around 86. Chance
of showers 40 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Locally heavy downpours possible. Southeast winds 10
to 15 mph. Lows around 76. Chance of showers 50 percent.
.SATURDAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Locally heavy downpours possible. South winds 5 to 10
mph. Highs around 86. Chance of showers 50 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy with scattered showers
and isolated thunderstorms. Locally heavy downpours possible. South
winds 10 to 15 mph. Lows around 77. Highs around 86. Chance of
showers 50 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Locally heavy downpours possible. Lows in
the upper 70s. Chance of showers 50 percent.
.MONDAY...Mostly cloudy with a 40 percent chance of showers and a
slight chance of thunderstorms. Highs in the upper 80s.
.MONDAY NIGHT THROUGH THURSDAY...Mostly cloudy with a 30 percent
chance of showers and a slight chance of thunderstorms. Lows in the
upper 70s. Highs in the upper 80s.

$$