
A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. 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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