AI-assisted summary

An Arctic blast could bring cold temperatures and snow to the Great Lakes and Northeast around the holiday weekend.

Multiple storm systems are expected to impact the Pacific Northwest, Rockies, Plains, and Midwest this week.

Oregon will experience a colder pattern with rain and potential for mixed precipitation ahead of Thanksgiving.

Travelers across the U.S. should prepare for potential delays due to weather, especially in the central and eastern states.

Another Arctic blast may be on the move toward the U.S., bringing the potential for bitter cold and heavy snow across the Great Lakes and Northeast — possibly starting over the holiday weekend and continuing into early December — though Oregon will not feel too much impact.

However, in the Pacific Northwest, a

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