As a train of storms continues to move off the Pacific Ocean, colder air will press farther south over the weekend into the Portland area.
Temperatures will dip to their lowest levels of the season so far during the day and night this weekend. High temperatures will be in the 50s. Temperatures can dip close to 40 degrees at night.
While it will not get cold enough to snow in the Portland area Saturday and Sunday, the event will bring the lowest snow levels of the season so far throughout the Northwest.
During the weekend, snow levels will dip to near 3,000 feet on the southern Washington Cascades and to near 4,000 feet on average over the Oregon Cascades.
It will snow at pass level. The first slushy accumulation is possible on roadways in the high country.
Temperatures will not be in a hurry to bounce back early next week.
Cold air returns to Chicago this week and a mix of rain and snow will lead to a messy commute Monday evening.
Milder air pouring into the Midwest will quickly be replaced by snow, plunging temperatures and travel hazards to kick off Thanksgiving week.
James Grimaldi of West Seneca, New York, used his drone to capture impressive aerial views of his snow-covered neighborhood.
East Coast travelers are being put on alert that the potential exists for a winter storm to unfold on Wednesday, the busiest travel day of the year.
A wide variety of weather, ranging from springlike conditions, to wintry precipitation and cold air will affect travel across the nation for the week of Thanksgiving.
The warmth surging into Harrisburg will not last long this Thanksgiving week with a storm threatening to significantly disrupt holiday travel on the horizon.
Late-Season Warmth: Buffalo, NY 68 degrees Norfolk, VA 70 degrees Providence, RI 80 degrees District of Columbia 75 degrees Raleigh, NC 77 degrees Greensboro, NC 74 degrees
Hurricane IWA (pronounced EEVA) packing winds of 86 mph with gusts of 105 mph hit the western Hawaiian Islands - first direct hit on the islands since 1959 - major damage on the island of Kauai. Total damage for all of the Hawaiian Islands: $150 million.
Thanksgiving Day Snowstorm (began on the evening of the 22nd). Snowfall amounts included: Location Amount Roanoke, VA 3.0 inches Washington, DC 4.0 inches Baltimore, MD 4.0 inches Philadelphia, PA 4.6 inches Central Park, NYC 4.7 inches Islip, NY 7.0 inches Chatham, MA 12.0 inches