National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Tutorial/Demo Videos from NWS Caribou

Subscribe to us on YouTube: https://www.youtube.com/nwscaribou

Outdoor Weather Support

 

 

Ice Accumulation Forecasts

 

 

Snowfall Intensity Forecast

 

Snow Squall Warning Overview

 

Enhanced Hazardous Weather Outlook

 

How to Access the Graphical Forecast from Our Webpage

 

How to Access the Text Forecast from Our Webpage

 

How to Access Past Weather Data from Our Webpage

 

New Website Demo

 

NWS Mobile Website Demo