FNMY50 PGUM 221816 FWFGUM Fire Weather Planning Forecast for Guam National Weather Service Tiyan GU 416 AM ChST Mon Mar 23 2026 .Discussion... A trace of rain fell at Guam International Airport yesterday, so the KBDI slightly increased to 181. This is still in the low category for fire danger. A wetter pattern has begun and will continue through at least Wednesday, then conditions could turn drier again. GUZ001-231830- Guam- 416 AM ChST Mon Mar 23 2026 Today Tonight Tue Cloud Cover Mcldy Mcldy Mcldy Precip Type Tstms Tstms Tstms Chance Rain (%) 60 50 40 Temp 86 73 86 RH % 69 100 70 20FtWnd-Val/AM(mph) E 13 G21 E 10 20FtWnd-Rdg/PM(mph) E 13 G21 E 10 E 10 Mixing Hgt(ft-msl) 4330 120 4292 Transport Wnd (mph) NE 25 E 6 E 14 $$ .Forecast for Days 3 Through 7... .TUESDAY NIGHT...Mostly cloudy with scattered showers. Lows in the mid 70s. Northeast winds 5 to 10 mph. .WEDNESDAY...Partly sunny with scattered showers. Highs in the mid 80s. Northeast winds 5 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers. Lows in the mid 70s. East winds 5 to 15 mph. .THURSDAY...Partly sunny with a slight chance of showers. Highs in the upper 80s. East winds 5 to 15 mph. .THURSDAY NIGHT...Mostly cloudy with chance of showers. Lows in the mid 70s. East winds 5 to 10 mph. .FRIDAY...Partly sunny with a slight chance of showers. Highs in the mid 80s. Northeast winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the mid 70s. Northeast winds 5 to 10 mph. .SATURDAY...Mostly sunny with a slight chance of showers. Highs in the mid 80s. Northeast winds 5 to 10 mph. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 80s. Northeast winds 10 to 15 mph. $$