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 >

Monsoonal moisture will stretch across the area for a second day, focusing precipitation over western Colorado.  This will result in widespread light rain with locally heavy rain showers and isolated thunderstorms. Gusty outflow winds to 40 MPH and occasional lightning are expected, as well as an increased potential for mud and rock slides and localized flooding.

Latest Forecast Weather Map

Forecast Precipitation Through Saturday