Sunday's winter storm is expected to bring an additional 1-4 inches of snow to an already icy western Washington. Severe snow drifts shut down Interstate 90 and other roads in central Washington.
It was 9 degrees Fahrenheit in Arlington, Washington early on Sunday.
Seattle Weather Blog reports that Seattle woke up Saturday to its biggest February storm since 1962.
In the Midwest, more than 148,000 customers lost power in western MI following days of freezing rain. Another moderate round of snow is expected Thursday night into Friday.
"This is a ideal morning to bundle up and play in the snow, but stay off the roads if possible", Gov. Jay Inslee wrote on Twitter.
In addition to snow-packed, slippery roadways, blowing and drifting snow can create whiteout conditions as winds strengthen around the storm.
That one will begin around midday Monday, with more snow accumulations expected by the Monday afternoon commute, according to the National Weather Service.
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Gov. Jay Inslee declared a state of emergency, saying everyone in the state should focus on staying safe.
Other parts of the country were also wrestling with hard weather.
Some areas received more than a foot of snow, and meteorologists say more is on the way early next week. The counties covered by the Winter Weather Advisory could receive 5 to 7 inches of snow.
By Tuesday morning much of the precipitation will change over to all snow throughout the entire area.
In Tualatin, Ore., resident Autumn Sang was mobbed during a visit to a grocery store to stock up on supplies.
Climate scientist Cliff Mass warns of a storm bigger than anything we've seen this week for Tuesday, labeling it "the Big Kahuna of snow".
"I love it. I'm excited about it", she said of the snow. "I think that Portlanders, majority are city people and they come from a lot of different places, so they're not so used to it".