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I get the feeling a lot of you want a big snowstorm. I think the Mayor and the Seattle DOT also want it, if only to prove they can get it right this time. (By the way, I have been really impressed with the proactive treatment by SDOT using brine solution on steep roadways---they are clearly trying--and it does help).

Is it possible we will see snow? Yes. Is a major snowstorm in the lowlands probable? Not at this time. Is there a lot of uncertainty? Yes. Will we get warmer by mid-week? Probably yes. Will there be lots of snow in the mountain and eastern WA? Almost certainly yes. Will plumbers make a lot of money when the temperatures warm up and frozen pipes start leaking. A certainty.

Another cold night in store. And another sunny day tomorrow (Thursday).
Friday will be slightly warmer with some increasing high clouds.

Sunday a weak disturbance will move through and we will get some light snow in the mountains and some light snow showers scattered around the lowlands. The only real lowland accumulation could be in a Puget Sound convergence zone north of Seattle and south or over Everett...but that is not certain. See 24h snowfall ending 4 AM Monday below.

Sunday will be generally dry and a bit warmer.

The fun is late Monday/Tuesday. An approaching warm front will bring precipitation into our area...but it probably will warm things up enough to start most of the lowlands as rain--but some locations may see some snowflakes before it turns over. (graphic for 4 AM Tuesday below--green and yellow are warmer air)But if the system came in a little more to our south (as this morning's runs), it could draw in cold air and the event could start as snow. Finally, it all turns into warm rain.

The models have really been all over the place, so my confidence in the Monday/Tuesday situation is not great...this is my best shot at it. Above is the 24-h snowfall ending 4PM on Tuesday...lots of snow over the mts. and eastern WA. Not much over the lowlands...sorry.
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