


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
134 FNMY50 PGUM 171707 FWFGUM Fire Weather Planning Forecast for Guam National Weather Service Tiyan GU 307 AM ChST Sun May 18 2025 .Discussion... 0.06 inches of rain fell yesterday at the Guam International Airport. This has allowed the KBDI to rise to 751, which is in the high category due to winds remaining below the 20 mph threshold. Both winds and relative humidity values look to remain below Red Flag Warning criteria the next few days. A wetting rain is not expected for at least the next several days, and the KBDI is expected to continue to rise. GUZ001-181715- Guam- 307 AM ChST Sun May 18 2025 Today Tonight Mon Cloud Cover Pcldy Pcldy Pcldy Precip Type Showers Showers Showers Chance Rain (%) 20 20 20 Temp 88 76 88 RH % 64 94 62 20FtWnd-Val/AM(mph) E 12 G21 E 11 G20 20FtWnd-Rdg/PM(mph) E 13 G21 E 11 G19 E 11 G20 Mixing Hgt(ft-msl) 6296 230 6364 Transport Wnd (mph) E 22 E 7 E 21 $$ .Forecast for Days 3 Through 7... .MONDAY NIGHT...Partly cloudy with isolated showers. Lows in the upper 70s. East winds 5 to 20 mph. .TUESDAY...Mostly sunny with isolated showers. Highs in the upper 80s. East winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy with isolated showers. Lows in the upper 70s. East winds 5 to 20 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. East winds 10 to 20 mph. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. East winds 5 to 20 mph. .THURSDAY...Mostly sunny. Highs in the upper 80s. East winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. East winds 5 to 15 mph. .FRIDAY...Mostly sunny. Highs in the upper 80s. East winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. East winds 5 to 15 mph. .SATURDAY...Partly sunny with a slight chance of showers. Highs in the upper 80s. East winds 5 to 20 mph. $$