Rough seas and waves of up to 50 feet have also been reported.
Local officials report one fatality due to a tree falling on a car.
Some roads and bridges were closed. Damage to a drawbridge forced the closure of one of two routes used by thousands of Seattle commuters to cross Lake Washington. Some school districts were closed due to lack of power. At the height of the storm, more than 200,000 customers were without power, though most had been restored early today.