Happy Friday & happy first day of Spring!
The last push of the atmospheric river is moving through today and will keep the rain steady through the morning drive and then taper off this afternoon. Rain will be consistent for most of the area but tapering off quickly after about lunch time near Everett north, and then for the rest of the area this afternoon and evening. Expect the wind to be breezy ahead of and with the cold front, then switch direction and stay gusty this afternoon and evening. That onshore wind behind the front will lead to a Puget Sound Convergence Zone, keeping a narrow band of rain around Everett to Seattle tonight and at times tomorrow.
River levels in Western Washington will fluctuate over the next couple of days as runoff out of the mountains will continue.
The Tolt River at Carnation will likely rise back into minor flood stage late Friday or Saturday, and the Snoqualmie (falling now) will have another crest in minor flood stage on Friday night or Saturday. The Snohomish River will be in minor flood stage through Friday into early weekend and the Skagit and Skokomish will follow suit.
Most of the area will be dry tomorrow, but that Convergence Zone will keep some rain possible around the King and Snohomish County areas. A weak system will move through overnight Saturday and early Sunday, producing some pockets of light rain. We’ll be mainly dry on Sunday as well, except if there are a few Convergence Zone showers again.
Clouds will increase on Monday but it looks to stay dry until Tuesday and Wednesday, when widespread rainfall returns. Snow levels will be around 4,000 feet on Tuesday falling to 3,000 feet Wednesday so while the lowest passes and slopes get rain on Tuesday, we’ll get some healthy snow higher in the mountains and into Wednesday. We then look to dry out a bit for the end of next week.
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