Another Wet & Rainy Week Ahead

FastCast—Sunday, Nov. 7 to Wednesday, Nov. 10:

Set your clocks back Saturday night! We “fall back” to Pacific Standard Time on Sunday! It has been a rainy start to November, and guess what…it’s going to keep raining this week. A system moves in Sunday, bringing another round of rain (0.2-0.5”, potentially higher in the Convergence Zone). Breezy conditions, with gusts up to 20-30 mph, are possible on Sunday as well. Monday will be a short break in the rain, with rain ending early in the morning and beginning late at night. A system moves past the area on Tuesday, bringing another round of rain (0.2-0.5”) and breezy conditions (20-35 mph). Wednesday will be the driest day in the near future, with around 0.1” of showers possible. With snow levels around 3,000 feet, expect up to 8-16” of snow at the passes by Tuesday, and much more (2-3 feet) at higher elevations. Lowland highs will be in the upper 40s to mid 50s, with lows in the low to mid 40s.

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It has been a wet first week of November, with 1.5-2.5” of rain. The next system moves into the area on Sunday, followed by more systems through the week. For the big picture, take a look at the UW rain forecast through next Saturday (13th).

This forecast, consistent with other models, suggests 3-5 inches of rain in the lowlands through the next 7 days. These high totals are due to a possible atmospheric river late in the week…but more on that later.

The Federal Way forecast from Weather Underground is below.

Temperatures will be on the cool side, struggling to reach the mid 50s, and lows will remain in the low to mid 40s. Rain is expected at times, with breaks during the day on Monday and Wednesday.

Below is the UW forecast for rain through Wednesday morning. 

Expect 0.75-1 inch from approximately Seattle southeastward. From Seattle to Everett and west of Tacoma, expect 1.25-1.75”. Much more rain is possible later in the week due to a potential atmospheric river. Stay tuned!

We have now entered mountain snow season, and widespread mountain snow accumulations are expected through Wednesday. The UW model below shows snow accumulations through Wednesday afternoon.

Expect up to 8-16” at pass levels by Wednesday (most at Stevens Pass). In the higher elevations (~6,000+ ft), 2-4 feet are possible!

Snow levels may rise up to 6,000-8,000 feet by Thursday as much warmer air associated with a potential atmospheric river moves in. This may melt snow and bring rises to area rivers. Stay tuned!

Breezy weather, with gusts of 20-35 mph, is possible on Sunday. Another system will move offshore of the area on Tuesday, with another round of breezy conditions possible.

For information regarding possible high tide flooding at the ocean beaches on Sunday, click to visit NWS Seattle.

More Rain, Mountain Snow, and Breezy Conditions Ahead

FastCast—Friday, Nov. 5 to Monday, Nov. 8:

It has been a wet start to November! As you may expect, that will continue. There is a chance of rain on each of the next 10 days, with 2-4 inches expected over the next 7 to 10 days. Expect a break in the rain overnight Thursday, with rain beginning early Friday morning, tapering by early afternoon. Totals of 0.1-0.3 inches are expected. Rain begins again very early Saturday, continuing through Monday morning, with breaks at times. Approximately 0.5-1 inch is expected in the interior through Monday, with more on the coast and in the mountains. Mountain snow is expected as well. This weekend will feature the first widespread mountain snow of the season, with 4-8” possible by Sunday evening at the passes (more in higher elevations). Additionally, winds are possible over the weekend. The forecast is still uncertain, but at least gusts of 25-35 mph are expected. Some forecasts have shown higher gusts, but that is not yet certain, so stay tuned!

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November, which is typically the wettest & stormiest month of the year, has lived up to its reputation so far. 1.1 to 2 inches have fallen since Monday across the lowlands, and more is definitely on the way. 

Let’s start with the UW forecast for rain through 4 PM Sunday.

Expect 0.5-0.75” in the interior, with isolated totals up to 1 inch. Expect 1-3 inches on the coast and in the mountains below the passes.

The first widespread mountain snow of the season is expected over the weekend. Below is the UW model snow forecast through 4 PM Sunday.

Expect 4-8 inches of snow at the passes (maybe less due to rain/snow mix at the passes at times). Wintry driving conditions are possible at times in the passes, especially on Sunday. Higher in the mountains, upwards of 1 foot of snow is possible.

Breezy conditions, with gusts of 20-35 mph, are possible at times through Sunday. Some forecasts have indicated stronger storms, but at this time that isn’t expected, as uncertainty is much too high.

Below is the Federal Way forecast from Weather Underground.

One thing you might notice is that it will be cooler. Highs will reach the upper 40s to low 50s, with lows in the low to mid 40s. Expect rain each day (a common occurrence this month).

It will be quite a rainy week, as we are in a typical November pattern. The UW 1-week rain forecast is below.

This goes through 4 PM next Thursday. 2-3 inches of rain is expected in the lowlands, with more possible.

Active, rainy, and stormy weather will continue through the weekend and into next week. Stay tuned!

Active & Wet Start to November Continues

FastCast—Wednesday, Nov. 3 to Friday, Nov. 5:

The start of November has been wet around the Pacific Northwest. That trend will continue, with rain expected at least sometime each day in the next 10 days. Expect a break in the rain from late Tuesday to Wednesday afternoon, as the next system moves in. Highs on Wednesday and Thursday will reach the upper 50s. Rain begins late Wednesday, continuing on and off through at least Friday. Expect totals of 0.5-1” by Friday. Additionally, expect gusty winds (30-40 mph) on Thursday, with tree damage and isolated power outages possible. Stormy weather is expected through the extended period, with lots of rain & potential storms through at least the first half of November.

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November is typically the rainiest and stormiest month in the Pacific Northwest. This November is definitely following suit, as a stormy start to the month is ahead.

Below is the 7 day rain forecast from the UW model.

1-3 inches of rain is likely in lowlands from Northern California to Western Washington. 3-10 inches of rain are expected on the coast and in the mountains.

The trend toward prolonged wetter conditions is reflected in the NWS Climate Prediction Center outlook for November 8-12.

There is a 70-80% chance of above average precipitation across the Northwest from the 8th to 12th.

Below is the Federal Way forecast from Weather Underground.

Expect rain beginning late Wednesday, continuing with some breaks through at least Sunday. Totals through Sunday will be up to 1.5 inches in the interior lowlands. Expect highs starting in the upper 50s on Wednesday and Thursday, dropping to the upper 40s to low 50s by the weekend.

A low center will move by Western Washington on Thursday, bringing a decent pressure gradient and the potential for gusty winds. Below is the 5 model forecast for Federal Way from the Windy app.

Gusts of 30-40 mph are possible in the lowlands, from Thursday morning to late evening. Higher gusts are possible on the coast and north of Everett. Tree damage and isolated power outages are possible.

Bottom line: it’ll be quite rainy and stormy to start November. Stay tuned for more details on upcoming storms!