NEW : There is a problem along the Willamette River in Oregon . NEW : Puget Sound Energy says homes were without power . Avalanche warnings are in effect in Washington , Montana , Idaho , Utah and Wyoming . Winter storm warnings are in effect for portions of eight northwestern states .
NEW : Flooding is a concern along the Willamette River in Oregon . NEW : Puget Sound Energy says 230,000 were without power . Avalanche warnings are in effect in Washington , Montana , Idaho , Utah and Wyoming . Winter storm warnings are in effect for portions of eight northwestern states .