042
FNMY50 PGUM 181737
FWFGUM

Fire Weather Planning Forecast for Guam
National Weather Service Tiyan GU
337 AM ChST Sat Apr 19 2025

.Discussion...
0.04 inches of rain fell at the Guam International Airport
yesterday. This allowed the KBDI to increase slightly with today`s
reading at 643, which is in the high category. Gentle to moderate
trade winds with occasional fresh gusts are expected for today as
generally dry conditions continue, maintaining an elevated fire
threat. Critical Red Flag conditions are not expected to be met over
the next few days with trade winds decreasing through the weekend,
although afternoon relative humidity values will continue to fall
near 60 percent. Trade winds will become mostly gentle early next
week, with little change expected in the dry pattern.

GUZ001-191745-
Guam-
337 AM ChST Sat Apr 19 2025

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Rain (%)       20           20           20
Temp                  89           76           88
RH %                  62           92           63
20FtWnd-Val/AM(mph)   E 10 G19                  E  9 G17
20FtWnd-Rdg/PM(mph)   E  9 G17     E  8         E  9 G17
Mixing Hgt(ft-msl)    6176         35           6351
Transport Wnd (mph)   E 20         SE  3        E 14

$$


.Forecast for Days 3 Through 7...

.SUNDAY NIGHT...Partly cloudy. Lows in the upper 70s. East winds
5 to 15 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. East winds 5 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 70s. East winds 5 to 15 mph.
.TUESDAY...Mostly sunny with a slight chance of showers. Highs in
the upper 80s. East winds 10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 70s. East winds 10 to 15 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 80s. East winds
10 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 70s. East winds 5 to 15 mph.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
in the mid 80s. East winds 5 to 15 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 70s. East winds 10 to 15 mph.
.FRIDAY...Mostly sunny with a slight chance of showers. Highs in
the mid 80s. East winds 10 to 20 mph.


$$