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 >

...Travel across southwest Colorado and parts of southeast Utah may become extremely difficult. Have an alternate travel plan in mind and use caution while driving...

For the latest Road Reports in Colorado or Utah, dial 511 or visit https://www.cotrip.org for reports in Colorado or https://www.udot.utah.gov for reports in Utah. Phone numbers for road reports in additional states can be found here: https://www.weather.gov/gjt/road_conditions.

CO Trip page
Utah DOT page