The Oregonian/OregonLive

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A slightly unstable air mass remains over the metro area for the next few days offering up spotty shower activity, a sun break or two and a slight possibility for thunderstorms through Thursday.

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The Oregonian/OregonLive

Wednesday will see showers off-and-on throughout the day and stronger showers in the afternoon which could also include thunder and hail. The high will be 54.



The Cascades will see some snow over the next few days, but accumulations will be localized and only a few new inches are expected.

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NOAA

In Portland, Thursday will start out mostly dry with some sun breaks, but clouds increase by the afternoon and so will the shower activity. The high temperature will be 56.

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Rosemarie Stein | The Oregonian/OregonLive

The week will end with a mostly cloudy day on Friday with a 40 percent chance of showers and a high of 55.



For now, the weekend looks much like the remainder of the work week - showers and cooler with possible sun breaks, if we're lucky.

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With the arrival of spring, we often see an increase in "closed lows" in the western US. These are areas of low pressure "cut off" from prevailing flow in the atmosphere. We have one this week. Good news for us - it drys out here when the low drifts south of us Thu/Fri. #wawx pic.twitter.com/eLbzBnX8he — NWS Seattle (@NWSSeattle) March 14, 2018

And it just keeps coming

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Pi geeks only: Expect a high temperature of 17.2π degF in Portland today. There’s a 15.9π % chance of showers, and a 6.4π % percent chance of thunderstorms with small hail this afternoon. Hey, if it gives us an excuse to eat pie, we’ll take it. #PiDay pic.twitter.com/wyPZWTsy0Z — NWS Portland (@NWSPortland) March 14, 2018

For those who enjoy Pi