
Isolated severe thunderstorms with locally damaging wind gusts and hail are possible Monday across parts of the Southeast U.S. Elevated to critical fire weather including gusty winds and low relative humidity is forecast Monday over much of the northern Great Plains. Above normal temperatures in the Southeast and Southwest U.S. will bring moderate to isolated major HeatRisk Monday. Read More >
Tiyan, GU
Weather Forecast Office
New Graphical Drought Information Statement
No active Flash Flood Warning
No active Flash Flood Watch
Flood Potential Outlook Issued: 04/09/2026 09:55:00 PM UTC
No Active Flash Flood Statement
Flood Statement Issued: 05/12/2026 09:37:00 PM UTC
No active Hydrological Coordination Message for Guam
Click here for our Advanced Hydrologic Prediction Service (AHPS) for rivers, lakes & precipitation
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tiyan, GU
3232 Hueneme Rd
Barrigada, GU 96913
(671) 472-0900
Comments? Questions? Please Contact Us.


Public Forecast
Marine Forecast
Radar
Satellite
Area Forecast Discussion