358
FPMY50 PGUM 191758
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
358 AM CHST TUE JAN 20 2026
GUZ001-MPZ001-200900-
GUAM-ROTA-
358 AM CHST TUE JAN 20 2026
...A TROPICAL DISTURBANCE CURRENTLY IN CHUUK STATE MAY BRING LOCALLY
HEAVY SHOWERS AND GUSTY WINDS TO GUAM AND ROTA TOWARDS THE SECOND
HALF OF THIS WEEK...
TODAY
MOSTLY SUNNY WITH ISOLATED LIGHT SHOWERS. EAST WINDS 10 TO
15 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 10 PERCENT.
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 10 TO
15 MPH. LOWS AROUND 77. CHANCE OF SHOWERS 20 PERCENT.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS
TO 25 MPH NEAR HEAVIER SHOWERS. HIGHS AROUND 87. LOWS AROUND 77.
CHANCE OF SHOWERS 50 PERCENT.
THURSDAY NIGHT THROUGH MONDAY
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.
MPZ002-003-200900-
TINIAN-SAIPAN-
358 AM CHST TUE JAN 20 2026
TODAY
PARTLY CLOUDY WITH ISOLATED LIGHT SHOWERS. SOUTHEAST WINDS
10 TO 15 MPH. HIGHS AROUND 85. CHANCE OF SHOWERS 10 PERCENT.
TONIGHT
PARTLY CLOUDY WITH ISOLATED LIGHT SHOWERS. LIGHT AND
VARIABLE WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 10 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS AROUND
10 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS. SOUTHEAST WINDS AROUND 10 MPH. LOWS
AROUND 76. HIGHS AROUND 87. CHANCE OF SHOWERS 50 PERCENT.
THURSDAY NIGHT THROUGH SATURDAY
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.
SATURDAY NIGHT THROUGH SUNDAY 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.
MONDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE MID 80S.
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