It has been another very warm day with 80s from Seattle and Bremerton south, with these areas the last to get cooler northwest wind flow off the Pacific Ocean. However, with the ridge of high pressure aloft moving to the east, the onshore wind flow will continue to be more of a factor in the forecast tonight into Thursday.
With morning clouds then sunshine, highs will be in the 60s coast and 70s elsewhere. This forecast will persist through Thursday and Friday as well. While the forecast will remain dry, there could be a few pockets of morning drizzle mainly in the coastal areas and north on Thursday and Friday and perhaps a few North Cascades rain showers each afternoon.
East of the Cascades, a Red Flag Warning is in effect for Wednesday for the potential for gusty westerly downslope winds to 40mph and low humidity.
It will be a nice Fourth with some sunshine after morning clouds and highs in the 60s coast and north with low 70s from Seattle south. Highs will be in the 80s with sunshine east of the Cascades. All-in-all, a very nice holiday!
However, we’ll be watching the likelihood of light winds Friday night into Saturday morning. This could allow fireworks smoke to linger with poor air quality all the way into early Saturday afternoon when it will improve with mixing down of fresher air aloft. (The exception to this smoke potential is along the Strait through Whidbey Island where winds will be a little stronger.
It looks to turn a bit warmer this weekend and next week looks a little toasty with highs in the low 80s in Seattle. There is little chance of rain through the next week to ten days, heightening fire danger.
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