Forecasters in the US have warned of another round of winter weather that could complicate travel leading up to Thanksgiving.

Santa Rosa, California, saw its wettest three-day period on record with about 32 centimeters of rain falling by Friday evening, according to the National Weather Service in the Bay Area. On Saturday vineyards in Windsor, about 16 kilometers to the north, were flooded.

Winter weather alerts were issued in parts of New York state, as the region is set to be hit by a powerful winter storm packing snow, heavy rain and strong winds. Here's what you need to know.

Thousands in the Pacific Northwest remained without power after multiple days in the dark. The National Weather Service office in Sacramento, California, issued a winter storm warning for the state's Sierra Nevada for Saturday through Tuesday, with heavy snow expected at higher elevations and wind gusts potentially reaching 55 mph (88 kph).