Chief Meteorologist Justin Stapleton‘s Daily Forecast Discussion:
Another round of snow is on the way for us tonight. We’ve seen a bit of a break in the action, however as the low swings inland, the mixed bag of sleet, rain and snow will all be snow with the colder nature of the air surrounding the center of the low. So here’s the latest thinking/timing:
TONIGHT: Overnight, isolated snow showers will continue to move through mainly the central coast and central/south Will. valley. Roads are extremely slipper now and this will only add to the dangerous travel conditions. Icy roads will be the biggest concern as snow showers will be less than 1″ accumulation.
FRI: A lull in the action before the next wave moves in. Still some model disagreement about how warm the air will be and because of the snow already on the ground, I am going to say we’ll see another round of 1-3″ of snow mid afternoon before the south valley changing to sleet or freezing rain going into Friday evening.
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. 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 freezing rain or ice in the south valley.
SUN: All back to rain in most of the viewing area, still going to be tricky traveling north as Portland metro will be cold enough to still see snow.
- Chief Meteorologist Justin Stapleton
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