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 >

Current Hazards
Current Conditions
Radar
Forecasts
Rivers and Lakes
- National Water Prediction Service (NWPS)
Climate and Past Weather
Local Programs

Weather Story

Record warmth possible again Friday? Highs in the upper 60s could challenge daily records! Then, a 40°+ plunge is coming. Sunday sees highs crash into the 20s with gusty north winds (20-30 mph) & chances for light snow. Soak up the "bonus spring" before winter returns!