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 >

ND Severe Summer Weather Awareness Week: April 28 through May 2, 2025
Monday
   Tuesday   
   Wednesday   
  Thursday   
Friday
Severe Thunderstorms
Lightning
Tornadoes
Flash Flooding
Extreme Heat and Fire Weather