Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Dec 10, 2025 at 8:12:05 am ChST

Watches, Warnings & Advisories

Zoom Out

There are no watches, warnings, or advisories at this time.

*** Click for the latest on Typhoon 32W (FUNG-WONG) ***

Marianas Text Product Selector

Eastern Micronesia Text Product Selector

Western Micronesia Text Product Selector

Tropical Cyclone Text Product Selector

Guam Visual Satellite Imagery

Guam Radar

Radar Status (FTMGUA)

            No new outage or update since last message was issued.

US National Weather Service Guam

You can also follow us on X:

Follow @NWSGuam

Public Forecast

Marine Forecast

Radar

Satellite

Area Forecast Discussion

Active Tropical Cyclones

Palau Sector

Yap Sector

Marianas Sector

Chuuk Sector

Pohnpei/Kosrae Sector

Marshall Islands Sector

GUM RSS Feed

Prolonged Atmospheric River Will Impact the Northwest Early this Week

NWS Forecast Office - Tiyan, Guam

Radar Status (FTMGUA)