Portland could see some snow overnight Tuesday and early Wednesday morning, but only at the higher elevations.
The story is different for the Cascade Mountains and Southern Oregon. Those areas are expected to be hit by a "bomb cyclone" Tuesday evening, Nov. 26. Almost the entire Cascade range is under a winter storm warning and mountain pass travel is not advised.
All areas of the state, including Portland, could also see gusty winds. Portland and parts of the Columbia Gorge could see gusts up to 40 miles per hour. The mountains could see gusts up to 60 miles per hours through Wednesday morning, Nov. 27.
By Tuesday evening, Portland-area snow levels could drop to near 1,000 feet. The Gorge is likely to see some light snow accumulations for Cascade Locks and Hood River by Wednesday morning, contributing to risky driving on Interstate 84.
Conditions are expected to calm down and dry out by Wednesday afternoon, with partly sunny skies and highs in the low 40s in Portland. Thanksgiving Day should be mostly sunny, with a gusty northeast wind.
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