
A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >
Tiyan, GU
Weather Forecast Office
No Active Red Flag Warning or Fire Weather Watch
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: 04/22/2026 06:12:00 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
Related Links
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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