Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

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Dangerously cold air will be in place across the area through Monday (New Year's Day) morning. To avoid any danger involved with the extreme cold, limit your time outdoors, and cover any exposed skin. If stranded on a road, do not venture outside to seek help. Additionally, be cautious with space heaters. See the below graphics for more winter weather safety tips and information, or visit http://www.nws.noaa.gov/os/cold/during.shtml.

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Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

Dangerous Arctic Air Through Monday