534
FNMY50 PGUM 101805
FWFGUM
FIRE WEATHER PLANNING FORECAST FOR GUAM
NATIONAL WEATHER SERVICE TIYAN GU
405 AM CHST SAT APR 11 2026
DISCUSSION
0.36 INCHES OF RAIN FELL AT GUAM INTERNATIONAL AIRPORT YESTERDAY,
ALLOWING THE KBDI TO INCREASE SLIGHTLY TO 349, STILL IN THE MODERATE
CATEGORY FOR FIRE DANGER. THE APPROACHING TROPICAL STORM SINLAKU (04W)
WILL INCREASE SHOWER CHANCES AND WINDS DRAMATICALLY FOR THE MONDAY
THROUGH WEDNESDAY TIME FRAME. THE KBDI COULD CONTINUE TO RISE UNTIL
THEN.
GUZ001-111815-
GUAM-
405 AM CHST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE RAIN (%) 10 20 20
TEMP 87 76 85
RH % 70 99 72
20FTWND-VAL/AM(MPH) NE 14 NE 17 G25
20FTWND-RDG/PM(MPH) NE 16 NE 15 NE 20
MIXING HGT(FT-MSL) 4208 450 3108
TRANSPORT WND (MPH) NE 29 NE 14 NE 39
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS
IN THE UPPER 70S. NORTH WINDS 15 TO 25 MPH.
MONDAY
WINDY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. HIGHS IN THE MID 80S. NORTH WINDS 20 TO
35 MPH INCREASING TO 30 TO 35 MPH IN THE AFTERNOON.
MONDAY NIGHT
TYPHOON FORCE WINDS POSSIBLE. TORRENTIAL RAIN AND
SCATTERED THUNDERSTORMS. LOWS IN THE UPPER 70S. NORTHEAST WINDS
30 TO 45 MPH INCREASING TO 40 TO 90 MPH AFTER MIDNIGHT.
TUESDAY
TYPHOON FORCE WINDS POSSIBLE. TORRENTIAL RAIN AND
SCATTERED THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 60 TO
100 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
STRONG WINDS. SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE UPPER 70S. SOUTH WINDS 40 TO 65 MPH
DECREASING TO 35 TO 45 MPH AFTER MIDNIGHT.
WEDNESDAY
VERY WINDY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTH WINDS 30 TO
40 MPH DECREASING TO 20 TO 35 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH ISOLATED SHOWERS.
LOWS IN THE UPPER 70S. SOUTH WINDS 15 TO 25 MPH.
THURSDAY
BREEZY. MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS.
HIGHS IN THE MID 80S. SOUTH WINDS 15 TO 25 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS IN THE UPPER 70S. SOUTH WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 15 TO
20 MPH.
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