An upper level trough will begin to move into the Pacific Northwest today with an associated cold front moving east of the Cascades late tonight into early Tuesday morning. High temperatures will start to cool today…lowering anywhere from 10 to 15 degrees. Winds will also increase in the late morning and afternoon region wide with sustained winds 10-20 mph with gusts 20-30 mph. Northcentral Washington weather today expect Increasing clouds and windy conditions with cooler afternoon highs into the mid 70’s. Temperatures will continue their downward trend Tuesday falling another 10 to 15 degrees.
Tomorrow will be sunny and still a bit breezy with west winds 10-15 mph, highs in the lower to mid-60’s. Snow…yup, we need to talk about it. It will be cold enough for some light wet slushy snow along the crest of the Cascades, including Stevens Pass late Monday night into Tuesday morning.
By mid-week, models are in solid agreement that a closed low pressure system will begin to dig over the Western U.S. and will be the main weather influence through the end of this week. Increasing clouds on Wednesday and still seasonally cool with highs in the mid 60’s.
By Thursday, the closed low continues to push further to our south bringing clouds and a 20% chance of showers or possibly even scattered thunderstorms with highs in the mid 60’s.
Friday through Sunday the Columbia Basin and Wenatchee Valley will see mostly sunny skies, breezy conditions at times with afternoon highs around normal, between 70 and 75 degrees.