FNMY50 PGUM 191830

FWFGUM



Fire Weather Planning Forecast for Guam

National Weather Service Tiyan GU

430 AM ChST Fri Mar 20 2026



.Discussion...

0.01 inches of rain fell at Guam International Airport yesterday,

so the KBDI slightly increased to 113. This is in the low 

category for fire danger. A drier pattern will continue over the 

next several days, so KBDI should gradually recover through the

weekend.



GUZ001-201830-

Guam-

430 AM ChST Fri Mar 20 2026



                      Today        Tonight      Sat          



Cloud Cover           Pcldy        Pcldy        Pcldy        

Precip Type           Showers      Showers      Showers      

Chance Rain (%)       10           20           20           

Temp                  83           74           86           

RH %                  55           88           63           

20FtWnd-Val/AM(mph)   NE 13 G23                 E 12 G23     

20FtWnd-Rdg/PM(mph)   NE 13 G23    NE 12 G21    E 14 G24     

Mixing Hgt(ft-msl)    6481         118          6170         

Transport Wnd (mph)   NE 22        E  6         E 20         



$$





.Forecast for Days 3 Through 7...



.SATURDAY NIGHT...Partly cloudy. Lows in the mid 70s. Northeast

winds 10 to 15 mph. 

.SUNDAY...Mostly sunny. Highs in the mid 80s. Northeast winds

10 to 20 mph. 

.SUNDAY NIGHT...Mostly cloudy with a slight chance of showers.

Lows in the mid 70s. Northeast winds 10 to 20 mph. 

.MONDAY...Mostly cloudy with chance of showers. Highs in the mid

80s. Northeast winds 10 to 15 mph. 

.MONDAY NIGHT...Mostly cloudy with a slight chance of showers.

Lows in the mid 70s. East winds 10 to 15 mph. 

.TUESDAY...Partly sunny with chance of showers. Highs in the mid

80s. East winds 10 to 15 mph. 

.TUESDAY NIGHT...Mostly cloudy with chance of showers. Lows in

the mid 70s. Northeast winds 5 to 10 mph. 

.WEDNESDAY...Partly sunny with chance of showers. Highs in the

mid 80s. Northeast winds 5 to 10 mph. 

.WEDNESDAY NIGHT...Mostly cloudy with chance of showers. Lows in

the upper 70s. Northeast winds 5 to 10 mph. 

.THURSDAY...Partly sunny with a slight chance of showers. Highs

in the upper 80s. Northeast winds 5 to 15 mph. 





$$