A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >
Tiyan, GU
Weather Forecast Office
Red Flag Warning Issued: 02/21/2025 08:25:00 AM UTC
A Guide to Understanding Guam's Fire Danger Brochure (PDF)
Text Products issued Daily
Routine Fire Wx Fcst (With/Without 6-10 Day Outlook) Issued: 02/21/2025 08:24:17 AM UTC (Product Description)
Experimental Fire Weather Graphical Forecasts
Now available for expected wind direction and speed, temperature, dewpoint, weather, and probability of precipitation.
Relative Humidity Calculator
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tiyan, GU
3232 Hueneme Rd
Barrigada, GU 96913
(671) 472-0900
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