
An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. 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: 11/15/2025 02:25:00 PM 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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