Current Outlook

6/15/2018 A Chance of Eastern Showers This Weekend; Major Heat Wave Next Week

“In a modest reversal of our typical meteorological setup, low pressure will bring a chance of showers and isolated thunderstorms to central and eastern Washington on Saturday, along with breezy conditions. Meanwhile, the western part of the state looks to be mainly dry with quickly warming temperatures. The eastern clouds and moisture are likely to cause warming lows yet (temporarily) moderated afternoon highs. ..”

Recent Outlooks

6/8/2018 Cooler and Unsettled This Weekend; Becoming Warmer and Drier Early Next Week

“An incoming low pressure trough will lead to a cooler and unsettled weekend, with clouds, showers, and gusty breezes. Although there are likely to be lingering showers into Saturday morning in central Washington, a transition from southerly to westerly downslope flow should quickly shift the main threat of rain to western and far eastern Washington by mid day Saturday. However, even after the initial front has departed the region, the cool air aloft and instability could mean isolated showers ..”

6/1/2018 Warmer This Weekend; From Cooler to Warmer Next Week

“As a flat ridge of high pressure builds across the region, a warmer, drier, and calmer Saturday is expected across Washington. However, an approaching weather system will bring changes beginning on Sunday. Increasing southerly air flow should cause warming in eastern Washington relative to Saturday, while marine air flooding into western parts of the state is likely to usher in cooling temperatures. Central Washington may be warmer on Sunday as well, although perhaps only slightly warmer near..”

5/25/2018 Pleasant on Saturday; From Hot to Cooler Next Week

“The combination of low pressure moving inland to our south and a push of cooler air to the north should provide enough onshore flow to briefly cool the region on Saturday. Despite the westerly breezes, conditions will be mainly dry and pleasant. However, the heat looks to return by Monday, as temperatures are set to climb back into the 80s and 90s...”

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Washington State University