PORTLAND -- The most powerful storm Oregon has seen all year created blizzard conditions in the Cascades and continues to cover area ski resorts in a blanket of white.

More: Forecast

7-day outlook

Doppler radar

A blizzard warning remains in effect for the Cascades through Monday evening. Up to three feet of snow could fall in the mountains from the current storm, according to the National Weather Service.

The snow level Monday may drop down to 1,000 feet, according to KGWMeteorologist Nick Allard, with pockets of snow possible in low-lying areas around Portland.

The snow level Monday afternoon will come back down to around 1,000 feet which will mean snow in the coast range, the foothills and a lot in the mountains. I don't expect a lot of accumulation in the higher hills of Portland during the day Monday, but Monday night and Tuesday morning could be a different story, Allard said. You'll probably wake up to some mix of showers or light snow from 500 to 1,000 feet Tuesday morning with wet snowflakes possible everywhere else.

Then, Wednesday morning a warm front will come through with more potential for snow before it all turns to rain.

Near the Gorge, we may have some issues with east wind and cold air, so Wednesday morning may be interesting, Allard added.

Blizzard in Cascades started Sunday

Allard said more than a foot fell overnight Sunday at Timberline and Mount Hood Meadows and more than another foot could easily fall Monday. Winds will be from 20 to 45 mph on the mountain, with gusts to 60 mph possible, he said.

The Oregon State Police advised drivers to avoid traveling over the Cascades whenever possible, until at least Tuesday.

Driver Paul Tracy told KGW the road over the pass was especially slick on the east side of the Cascades. There was a truck flipped over and where it flipped, it was pretty icy, he said.

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