Updated Wednesday 4:35 p.m.
If there were ever a day to try to play weather bingo, this Thanksgiving weekend may be the time.
So grab your cards, don't forget the Free Space, and here we go:
A potent rain storm is coming in first, bringing another round of heavy rains and gusty winds, right before it ushers in colder air that could bring a little bit of snow, right before it clears out and we get sunny but windy in the foothills with freezing temperatures.
Got all that? How about some details?
Mark the spot: Southeast Winds
First up is the rainy, mild storm coming in late tonight. We'll see some strong southeast winds ahead of the storm and a Wind Advisory is in effect for the north Coast and Northwest Interior through 4 a.m. Thursday for gusts to 45 mph. Elsewhere, wind is not an issue. Rain will develop around midnight and it'll be rainy and mild the rest of the night with lows around 50.
Mark the spot: Heavy rains & river Flooding
Chalk up Thanksgiving Thursday to a rainy day -- not terrifically rainy in the lowlands but the mountains are expected to get another 3-5 inches of rain, perhaps 7 inches in spots in the North Cascades. It's another mild storm with high snow levels so no pass snow issues (yet) but that means more potential for river flooding. A Flood Watch is in effect for all counties along the I-5 corridor from Lewis County north to the Canadian Border (including King/Pierce and Snohomish). Meanwhile, Flood Warnings remain in effect for the Snoqualmie, Snohomish and Puyallup Rivers from earlier storms. Temperatures remain in the mid-upper 50s.
Rain holds Thursday night and into Friday then begins to taper off from the north Friday night and most areas dry out... and begin to cool off as modified arctic air begins a march in from British Columbia. The lowlands are fine Friday afternoon and evening, but in the passes, rain will change to snow as the day gets into the afternoon and evening so keep that in mind (not a ton of snow, but maybe 2-4 inches at Snoqulamie Pass.)
Mark the Spot: Potential Lowland Snow (in spots)
As we get past midnight Friday night and into the pre-dawn hours Saturday morning, cold air will stream south out of the Fraser River Valley and pour into Western Washington. Some forecast models suggest this cold air intrusion will meet up with some lingering moist, southerly winds and create our old friend the Convergence Zone (mark that spot too...) that could bring some slushy snow between Seattle and Everett above 200 feet or so. Forecast models haven't locked into this yet, but something we'll watch. Those outside the zone areas may see some light drizzle or flurries but no accumulations expected at this point.
We dry out, and clear out as we get through Saturday, but it'll be much colder with highs only in the mid 30s to near 40.
Mark the Spot: Freezing temperatures
Saturday night will be a throw back to a few weeks ago when we were generally clear and cold. Lows will drop into the low 20s in the outlying areas to the upper 20s in the city. It will also be quite windy up in Whatcom County near the Fraser River Outflow (gusts 30-45 mph perhaps). (Pullman for the Apple Cup? Frigid. Snow showers earlier in the day then temps in the 20s during the game.
Mark the Spot: Canyon Winds. Bonus spot: Sunshine
Sunday will be clear and crisp but windy, especially in the foothills as now we get another round of east winds with arctic air entrenched in Eastern Washington and that cold, dense air creating high pressure that will want to push winds through the gaps in the Cascades. It's not looking quite as intense as the storms we had around Veteran's Day, but gusty and perhaps enough for some scattered power outages. So keep that in mind. Pass Travel should be fine as we are clear. Highs around Seattle will be in the mid-upper 30s with lows in the mid 20s to low 30s.
Got it all? Anyone got bingo yet? About the only thing we missed were thunderstorms -- that appears off the board.
We stay cold through Monday then gradually moderate next week with a chance of rain showers by mid week.
Have a happy and safe Thanksgiving!
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