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 >

 

 

7-Day Forecast for Crater Lake Rim

 



 

The following data are snowpack. Basin snowpack images have been discontinued. Please find the latest Western Basin Snow Water Equivalent maps here.

The following data are preliminary and estimated snow depths across the region.

Methodology for this now depth imagery is here: https://www.nohrsc.noaa.gov/technology/pdf/NOAAs_National_Snow_Analyses.pdf

 

 

Latest Modeled Snow Depth per NOHRSC. Click for snow depth value.

 

 

 


 

 

Latest Estimated Snow Depth per NOHRSC

 

Southern Oregon and Northern California Modeled snow depth

 

 

 

 

 

 

 


 

Latest Estimated Snow Depth Compared to Normal Snow Depth for Current Month per NOHRSC

 

Southern Oregon and Northern California Modeled snow depth

 


 

Estimated snowfall in past 24 hours per NOHRSC

 

Southern Oregon and Northern California Modeled snow depth

 

 

 


Estimated Snow depth over the CONUS per NOHRSC

 

Southern Oregon and Northern California Modeled snow depth