High pressure will be present over our area through tomorrow morning which means cold overnight lows and the potential for fog formation in the overnight and morning hours. By the afternoon today we’ll see a mix of sun and clouds, but tomorrow afternoon we’ll see rain move back into the area. A cold front will pass through our area tomorrow which will cause a drop in temperatures, which means a drop in the snow levels. A much colder air mass will be present for the rest of the week with snow levels plummeting to 2,000′ – 3,000′ by Wednesday. We could see 2-5 inches of snow in the mountains and 1-2 inches along mountain passes and east of the Cascades. Be sure to check road conditions before heading out and carry chains or snow tires if traveling to the high country.
Curious why we’re getting snow this time and haven’t recently? The last several strong storms we’ve seen have been brought to use by the pineapple express, which is a sub-tropical airmass so snow levels have been staying very high. Well, this next system is coming in from the Gulf of Alaska, so an arctic airmass will take hold midweek, so snow levels will be much lowering.
By the weekend we’ll see another front move through bringing in a better chance for more widespread rain and snow. The timing is uncertain but as of now it looks to bring light showers Friday with heavier rain and snow over the weekend.
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Meteorologist Megan Parry