The Oregonian/OregonLive

Rain from a low pressure system arriving from British Columbia is just starting to fall at the coast early Tuesday morning. Steady rain will quickly make its way inland and dump up to an inch of water before this system moves out Wednesday afternoon. Tuesday’s high will be 48.

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NOAA

Forecasters with the National Weather Service are watching cold air being trapped in the upper Hood River valley areas and expect 2-4 inches of snow could fall and make travel hazardous in that area on Tuesday. The service issued a winter weather advisory for the upper Hood River valley through 1 p.m. Tuesday.



Winds will be strong along the beaches and headland for Tuesday and into Wednesday. Gusts up to 60 mph are possible.

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This cold front will take a while to move out of the area. Wednesday will start out very wet for the valleys (with a high of 48) and snowy for the upper elevations in the Cascades. Snow levels will be around 4,000 feet most of Wednesday so passes should stay fairly clear with a rain/snow mix, but ski areas will be measuring new snow this week in feet, not inches.

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The Oregonian/OregonLive

By Wednesday afternoon snow levels will dip again back down to around 3,000 feet. A secondary cold front shows up on Wednesday night to lower accumulating snow levels to between 1,500 and 2,000 feet on Thursday morning. The heaviest precipitation will have moved out of the area by Thursday morning, but showers will remain and fall as snow even in the foothills of the Cascades.

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In Portland Thursday will be showery with a high of 45. Thunderstorms are possible with possible small hail.



Friday will be showery and even cooler with highs only in the low 40s. Currently the National Weather Service sees some warming for the weekend with a warmer and wet system moving in by Saturday.

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