Prolonged Heavy Rain and Heavy Snowfall Event Continues for Northern California into the Northern Rockies. A prolonged atmospheric river event will continue to bring moderate to heavy rain with a risk for flooding to northern into central California with heavy mountain snow in the Sierras, southern Cascades, and northern Rockies through midweek.

Predominant Weather. Expected weather (precipitating or non-precipitating) valid at the indicated hour. The weather element includes type, probability, and intensity information.

National Digital Forecast Page. The starting point for graphical digital government weather forecasts.

National radar mosaic. This view combines radar station products into a single layer called a mosaic and storm based alerts. Weather for a location. This view is similar to a radar application on a phone that provides radar, current weather, alerts and the forecast for a location. Recommended for bookmarks. Bookmarks

NOAA National Weather Service National Weather Service NDFD Graphical Forecast

The National Weather Service (NWS) provides weather, water, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy.

Surface Weather. Temperature, sky conditions, visibility, precipitation type and accumulation, wind speed and direction, and more as reported by surface observation stations. Current weather RSS and XML

The National Weather Service has its beginning in the early history of the United States. Weather always has been important to the citizenry of this country, and this was especially true during the 17th and 18th centuries.

NCEP is the starting point for nearly all weather forecasts in the United States. The local WFOs are responsible for issuing advisories, warnings, statements, and short term forecasts for their local county warning area including the public, media, emergency management, aviation community, and other customers 24 hours per day, 365 days per year ...

National Digital Forecast Page. The starting point for graphical digital government weather forecasts.