Seattle to see below freezing temperatures, possible lowland snow on Thursday and Friday


Get ready for a cold snap with more chances for lowland snow this week, in Seattle.

The National Weather Service (NWS) in Seattle is currently predicting that temperatures in Western Washington will drop to below freezing lows this week and could impact outdoor pipes, plants, and pets.

Combined with breezy conditions, wind chills in the low 20s are expected by the end of the week.

“We are expecting a weather system to be making its way inland Thursday and into Friday. We expect the center of this system to track to our south, which will keep Western Washington in the cold sector of the system. This could bring some more wider spread lowland snow throughout Western Washington. But there is still a lot of uncertainty on the strength as well as the track of the system,” wrote NWS in their Monday morning briefing.

Currently, NWS is predicting that temperatures will begin to drop Wednesday, reaching morning lows of 33 degrees in Seattle and highs of just 39 degrees in the afternoon.

Temperatures will continue to fall over the next two days, with Thursday morning lows of 27 degrees in Seattle and highs of 33 in the afternoon.

However, a wind chill from 10-15 mph winds could make it feel like 22 degrees Thursday morning. Areas like Port Townsend and Bremerton will feel like temperatures closer to 15 degrees Thursday from wind chill.

Friday will see morning lows of 24 degrees in Seattle and afternoon highs of 34 degrees, but 15-20 mph winds in the morning could make it feel like just 17 degrees.

And while the Emerald City has so far avoided a dusting of snow this year, it is again a possibility this week with potential minor accumulations Tuesday through Wednesday.

A rain/snow/sleet mix is also possible in the morning hours throughout portions of King County and could hinder morning commutes. Any accumulations are expected to remain below an inch.

Currently, areas on the Northeast Olympic Peninsula have the highest chance for snow Tuesday through Wednesday, but accumulations will still be under an inch.

Another weather system moving into the area Thursday and Friday could bring more chances for snow in the lowlands, but the forecast and possible accumulations remain uncertain at this point.

Dangerous avalanche conditions in the Cascades and Olympics persist into this week. The Northwest Avalanche Center is advising extra caution this weekend as conditions remain dangerous and slab avalanches may be triggered.

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