Forecasters warned of more high winds headed to the battered Pacific Northwest, while an atmospheric river continued to dump heavy rain on California.

More than 200,000 homes and businesses in Washington state, which was hit this week by winds of up to around 70 mph as part of a “bomb cyclone” off the coast, remained without electricity Thursday night, according to the tracking website poweroutage.us.

Two people were killed by falling trees in the state in that storm, which began Tuesday,…