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 >

Sea Level Stations (read-only excel files)                                                                                                 Stations MapMap of Stations

2025

2024

2023

2022

2021

2020

2019

  • January
  • February
  • March 
  • April
  • May
  • June                                                                                              
  • July
  • August
  • September
  • October
  • November
  • December
  • Master graphs
  • Final report

2018

2017

2016

 

SLS Network Operators Conference Calls

Notes:                                                                                                                      

Recordings: