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 >

 

 

Key Messages:

  • Temperatures were above average and precipitation was below average across the region.
  • Drought has become severe for most of the Northland with the persistent warm and dry weather.
  • Odds are tilted towards above average temperatures and above normal precipitation through November.
  • There are equal chances for above, below, or around normal temperatures and precipitation November through January.

 
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