Posted by Rufus La Lone on

Friday October 28
A decent pattern of rain, showers, sun breaks and mountain snow is now in place.  The specifics per day may adjust, but at least the west coast is out of the dry, blocking ridge issue and precip has returned.  Refill time.
Overall, the Puget Sound & southern BC will receive the brunt of the moderate-to-heavy rainfall over the next week, starting now, with a frontal boundary sagging over WA and OR as the day progresses.  The next system, which will be stronger & longer lasting, is on tap for late Saturday into Sunday.  This one will also bring precip to OR & ID, mainly 12-24 hrs later.  Also, COLD air will be abundant on the backside of this cold system, so expect SNOW level to drop well below Cascades passes after the front passes.  Halloween will be showery, blustery and quite chilly! Showers will prevail through Tue. 
! FIRST FROST is possible, if the sky clears in your location, next Tue, Wed and/or Thu mornings.  Use this weekend to protect plants that may be on the patio; detach hoses.  The next wet, but weak, system may clip the PNW late Thu into Fri, with a nice break in the action for the weekend of Nov 5,6.  FOG issues likely that weekend.
The week of Nov 7-11 is modeled to mirror the week before, with a WET, cold system dropping in from the NW overnight Sunday Nov 6 carrying plenty of precip, chilly air and mountain snow.  Raindrops will be heard on Election Day.  It could be wet through Wed; windy on the 9th, as well.  Clearing Thu, with relatively mild temps & fog again.  For now, we may see dry weather to end the week (Fri 11th) on through Sunday Nov 13.  Note that some model scenarios bring in windy, WET conditions that weekend, but the trend has been away from the damp solution.  We have time to finalize that forecast period.  Daylight savings time ends Sunday Nov 6.
There are always variations 'on the theme' when forecasting long-range.  However, the basic pattern in the upper atmosphere has turned favorable for what one would expect in the PNW during November.  Normalcy.  
From the ’Net: “To fix a broken Jack-O-Latern, use a pumpkin patch.”  
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