Sunny, Warm, & Dry Weather Continues

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Rinse and Repeat! That large ridge of high pressure is still sitting off shore, blocking any storms from coming into the Pacific Northwest and keeping our skies clear. Not only will it stay sunny and dry, we’re also looking at the warmest weather we’ve seen in 2013 thanks to a thermal trough moving into western Oregon.

As Northern California heats up because of high pressure, a thermal trough is created as this warm air ascends to higher levels of the atmosphere. That thermal trough will move north Tuesday and Wednesday, bringing not only the heat, but also east winds to western Oregon. As those east winds are forced down the Cascades, that air can heat up even further as the air compresses.

This will all likely peak on Wednesday, which will be our warmest day of the week at near 74° in Eugene and 78° in Roseburg. Thursday and Friday will also be mostly sunny, dry and well above average in the low to mid 70s.

The ridge of high pressure will flatten out this weekend which will allow clouds and a few showers to sneak over the top of the ridge and into western Oregon. This will at least bring back morning clouds, but also a few light showers are possible Sunday and Monday. High temps will drop to the low to mid 60s.

If you’re hoping for an extended stretch of rain or cooler weather…doesn’t look like that will happen. The ridge of high pressure looks to form again in the middle part of next week, bringing back the sunny warm and dry conditions.

-Meteorologist Melissa Frey

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