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Temperatures Continue to Climb

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METEOROLOGIST MELISSA FREY’S FORECAST DISCUSSION:

Three separate atmospheric features will keep us sunny and warm over the next two days.  The jet stream is staying well to the north of us, keeping any storms from moving in from the west.  High pressure is just off shore and this will keep our winds out of the north, which generally means dry, clear weather for western Oregon.

This combination of high pressure aloft and north winds will keep us under blue sky from the Coast Range through central Oregon and will help bring temperatures back into the upper 80s. The central and southern coast will likely be under the marine layer for most of the day, which will keep high temperatures in the low 60s.

On Friday we’ll see a third feature kick in.  The famous thermal trough, created from hot weather over Nevada and California will slide east of the Cascades. This will shift our winds off-shore, force air to slide down the west side of the Cascades which will compress it and heat it up. With all these physics in place, most of the Valley and Umpqua Basin have a good shot at cracking into the 90s once again.

By Saturday the jet stream will be back on top of us and this will help to bring back on-shore flow, morning clouds and cooler temperatures. Saturday we’ll drop to the low to mid 80s and by Sunday it’ll be the upper 70s.

A weak front is tracking to move into southwest Washington and northwest Oregon Monday.  We’ll barley get clipped by this, so extra clouds and cooler temperatures are likely with a slight chance at some light rain early in the day.

It’ll be back to mostly sunny skies Tuesday and warmer weather by Wednesday.

Have a great Thursday!
Meteorologist Melissa Frey

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