Unsettled Weather Heading Back To Work

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Chief Meteorologist Justin Stapleton‘s Daily Forecast Discussion:  

A great end to the holiday weekend as skies have remained rain-free for the remainder of Memorial Day. Tonight, some light cloud cover overnight and lows likely much cooler than the mid 50s we started at this morning. Quiet to head back to work but some unsettled weather is on tap for the next couple of days.

Tomorrow, the upper level low (storm) will spin southward and stir up a few days of on and off showers and trigger some thunderstorms across the mountains and maybe near the coast. Highs will be cooler with the low moving overhead, mainly in the mid to upper 60s. Wednesday, the showers become a little more widespread into the valleys, as well as carry a greater chance for pop-up thunderstorms in the afternoon with all the ingredients: Low providing upper level lift, cold air aloft, sunshine to warm surface air, and deepening moisture. Mountain travelers will see some spotty really wet snow at the Passes midweek, snow lines will be dropping down to around 4500 feet.

Otherwise, indications are that the jetstream will split to some degree, dragging the next area of low pressure south, leaving Oregon dry to speak as storms split north and south of the state. That should put most of Western Oregon under mostly sunny skies in the afternoon with some occasional morning clouds and a slow return to highs back into the mid to upper 70s.

Have a great Tuesday!

– Chief Meteorologist Justin Stapleton

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