Light low level flow today will turn weakly offshore on sunday. A weakening front will arrive from the south on monday. Low level flow will turn back to offshore as the next system moves inland south of the area in the middle of next week.
Isolated showers will linger today in the wake of a weak front last night. There should be some sunbreaks today as well. Showers might increase slightly in the afternoon with daytime heating, especially over the southwest interior where it will be a bit more unstable. Highs will be a few degrees above normal today.
Showers will end this evening as the air mass becomes more stable. Sunday is looking dry with decreasing clouds as weak high pressure aloft moves over the area and northerly low level offshore flow develops. A few showers may linger over the cascades however. The additional sunshine should allow highs to creep up a few degrees.
A negatively tilted front will move up from the southwest on monday for an increasing chance of rain during the day. This front should be a little wetter than the one last night but it still looks fairly weak overall with negligible impacts. Schneider
Previous discussion...extended models in pretty good agreement with some showers lingering around on tuesday. Upper level low off the coast moving south into oregon on wednesday pulling most of the shower activity south of the area. Will cut back on the pops and if the model trends continue look for the forecast for wednesday to dry out in the next few forecast packages. Nothing organized headed toward western washington thursday and friday but with a weak upper level trough over the area will have to keep a chance of showers in the forecast. Highs will be near to slightly above normal, in the mid 50s to lower 60s. Lows will mostly be in the mid 30s to mid 40s. Felton
River flooding is not expected for the next 7 days.
Wa...none. Pz...small craft advisory for hazardous seas until 5 am pdt sunday for coastal waters from cape flattery to james island 10 to 60 nm-coastal waters from james island to point grenville 10 to 60 nm-coastal waters from point grenville to cape shoalwater 10 to 60 nm-west entrance u.s. Waters strait of juan de fuca.
small craft advisory for rough bar until 5 am pdt sunday for grays harbor bar.
small craft advisory for hazardous seas until noon pdt sunday for coastal waters from cape flattery to james island out 10 nm-coastal waters from james island to point grenville out 10 nm-coastal waters from point grenville to cape shoalwater out 10 nm.
Weak low level onshore flow today will become light tonight and offshore on sunday. Next weakening front associated with a 1008 mb low over the offshore waters moving through on monday. The low level flow will turn back to light offshore tuesday and wednesday.
A small craft advisory for hazardous seas remains in effect for the coastal waters and west entrance. Seas are in the 10-13 ft range and will subside on sunday. 33
A weak upper level trough is over the pac nw today. Showers will be isolated to scattered and mainly affect the coast and mountains. The flow aloft is southerly. Ceilings are a mixed bag this morning but most areas are vfr. Light onshore flow will develop tonight with possible mvfr conditions. Drier weather is forecast on sunday as the flow flips to offshore. 33
Ksea...vfr conditions expected today with south winds at the surface. Winds may turn briefly w/nw this evening. Mvfr cigs likely overnight with onshore flow. 33