Washington Daily Snow
By Luke Stone, Forecaster Posted 2 months ago December 8, 2023
The cold phase of this storm is overperforming already, and there's nothing we'd rather see more at this point. Snow showers continue through Friday morning with additional accumulations expected. Another storm will impact the state from Saturday through Sunday.
Short Term Forecast
We're back to looking at the snow depths increasing on the snotels across the Cascades, with some impressive totals so far. Since the transition back to snow Wednesday afternoon/evening, we have seen the following snow totals. That convergence zone seems to have really delivered for Alpental!
- Crystal: 11 - 17”
- Stevens: 10 - 13
- Alpental: 13 - 23”
- Baker: 8"
- White Pass: 10"
Snow showers will continue through Friday as this system crosses the region. Generally, another inch or two is possible on Friday, with perhaps a little bit more around Stevens or Snoqualmie if the convergence zone lingers.
Most of Friday and early Saturday will be cool and dry. The next storm coming off the Pacific will bring snow back to the area on Saturday afternoon. Temperatures will start cold and snow levels will levels will be low, around 2k, but will rise through the storm. By Saturday night snow levels will be approaching base elevations, and by Sunday morning should be above them. This will result in mainly rain on Sunday except for upper elevations, and a fair amount of it, though precipitation will decrease later in the day. Showers will continue Sunday night as temperatures start to fall again, with light additional accumulations.
Significant snow is expected before the rain, though, with generally 6 - 12 in across the Cascades. Stevens Pass and Snoqualmie could exceed these totals if a convergence zone sets up, and the latest model guidance indicates that is a possibility.
Check out the latest snowfall forecast for the weekend storm from the European Model.
The models have trended warmer on Sunday over the past few days, so let's up we see that reversed over the next two.
There are no major storms in the forecast, but additional small/moderate systems are possible around the 14th/16th. In the ensemble forecast for Stevens Pass below, you can see the storm this weekend, the potential small storm around the 14th, and then a lot of disagreement on what comes next. Overall though, there are indications that more storms are possible, with several of the ensemble members bringing more precipitation over the next week.
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