Winter Weather Watch (12am Update)

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Chief Meteorologist Justin Stapleton‘s Daily Forecast Discussion: 

Light sticking snow is starting to fall across some of Western Oregon. Getting reports near Cottage Grove tonight of light snow covering the roadways. We’ve made a few adjustements with the newest weather info thats come in. Here’s the latest thinking/timing:

Overnight, snow showers will start to move through mainly the central coast and central/south Will. valley. It’s too dry to see any snow hit the ground until likely 3-4am. Light accumulations around sunrise, but enough to make roads very slippery.

THU. AM: Light snow impacting roads, amounts around metro areas likely between 1-2″. Some heavier bands starting to move through around 10am-12p.

THU. PM: Snow bands get intense after noon. Exactly where? Too hard to tell. The trend is shifting northward, so biggest impact is still surrounding Corvallis north to Salem has best chance for heavy snow (2-4″). However, I still think anyone from Creswell to Salem should be ready for heavy snow showers at any time tomorrow afternoon. Totals may be close to 4-8″ in the central valley, 2-5″ in the south valley. The coast may see 1-3″. 

FRI: A break in the morning hours then another round of snow showers, possibly another 2-4″ of snow. Biggest impact again for Corvallis/Salem line, less so for Eugene/Springfield.

SAT: Warmer air moves in, bringing a chance for some wintry mix of sleet, freezing rain before changing to all rain later in the day for the S/C valley and Umpqua. Stays as all snow further north up towards Portland. However, with the snow on the ground, there’s a good chance it will slow the warming process, thus helping blast another round of 2-4″ of snow in the south valley. We’ll know more once we get through tomorrow and the models have a chance to initialize with the first wave having gone through.

Keep checking back with us as I’ll have another update as the new model info comes in around 9pm.

– Chief Meteorologist Justin Stapleton

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