A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >
Tiyan, GU
Weather Forecast Office
Website or Document (click to download) | Date Added |
Guam Rain Summary (2020) | September 2, 2020 |
Typhoons Passing within 75nm of Guam (1945-2019) | August 11, 2020 |
Major Typhoons Passing within 75nm of Guam (1945-2019) | August 11, 2020 |
Severe Tropical Storms gte 45kt passing within 75nm of Guam (1945-2019) | August 11, 2020 |
Major Typhoon Tracks 1945-2019 (Graphical) | August 11, 2020 |
Typhoon Tracks 1945-2019 (Graphical) | August 11, 2020 |
NTHMP Tsunami Information Guide | April 18, 2019 |
Typhoon Tracking Chart (landscape - printer friendly) | May 27, 2017 |
Historical Tropical Cyclones Affecting Guam (1671-1990) | June 17, 2015 |
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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