Updated: Feb. 11, 2025, 12:00 p.m. It’s been a cold week in Portland so far. Overnight temperatures across the city could plummet as low as 15 to 25 degrees, prompting all three Portland-area counties to open their cold weather overnight shelters beginning Monday night.

This time, we may be in for more widespread impacts from snow and freezing rain, compared to the light and wet snowflakes that fell last week in Portland. As an arctic airmass drops down into the Pacific Northwest this week,