A heavy rain maker has set up in the Pacific Northwest, and it will continue to bring much needed rain and mountain snow through the rest of the weekend. With that said, it is also producing strong gusty wind that is downing numerous trees and powerlines. A large southward dip in the jet stream has developed over the eastern Pacific Ocean and is swinging into the West Coast this weekend. The first round of rain came ashore Tuesday night through Thursday as a low pressure system and its trailing cold front barrel into the Pacific Coast from Washington to northwest California. Less rain occurred on Friday, though a band of showers did develop from the coast of Washington through Seattle and into western Montana.
On Saturday, a second low pressure system ushered heavy rain into the Pacific Northwest. This second system brought rain as far south as San Francisco and Sacramento, as well as snow over the Cascades and northern Rockies.
A general 1 to 3 inches of rain is expected from Northern California through coastal Washington through Sunday, with up to 4 to 5 inches possible in a few spots. Thunderstorms may develop in northern California and western Oregon and a few thunderstorms may be severe, with an isolated tornado possible as well.
Strong wind will also accompany this system and wind advisories are still in effect into midday Sunday.
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