Weather 6-9-21

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The region’s weather will be under a southerly flow aloft as a broad upper-level trough remains parked over the Eastern Pacific. Northcentral Washington weather today expect partly cloudy skies, a northwest breeze 5-15 mph with afternoon highs in the lower to mid-70’s.

The offshore trough will eject inland on Thursday brining increasing clouds in the afternoon and breezy winds 10-15 mph with high temperatures tomorrow in the lower 70’s.

The next weather system will swing toward the Pacific N.W. Coastline on Friday sending a moisture laden frontal occlusion into the region. This will bring an abundance of cloud cover Friday morning with a mix of scattered sprinkles and light showers. Columbia Basin and Wenatchee Valley can expect mostly cloudy skies, a 20% chance of light showers and highs in the lower 70’s.

By Saturday, the Inland Northwest transitions from a progressive weather pattern to a more amplified one as the broader shower threat becomes more localized for a brief time and temperatures trend warmer. Saturday’s weather will be mostly sunny to start with increasing clouds and a 30% chance of showers late with highs in the upper 70’s.

Sunday, Monday and Tuesday will be unsettled but warmer with a 3-0% chance of showers each day and afternoon highs in the mid 80’s Sunday, upper 80’s on Monday and lower 80’s for Tuesday.