National Weather Service United States Department of Commerce

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

A High Surf Advisory will be in effect starting Tuesday evening with large breaking waves of 20-25 feet. This will begin south of Cape Blanco and will expand to all waters Wednesday evening before continuing through Thursday evening. King Tides will coincide with these waves, and the highest King Tides are expected to arrive around noon Thursday.
A series of fronts will bring periods of moderate to heavy rainfall across northern California and southern Oregon. Rainfall amounts will be highest over coastal terrain and western Siskiyou County. Snowfall is not a concern, as high snow levels will limit snowfall to the highest peaks and ridgelines. Small stream overflow and areas of nuisance ponding are possible. Visibilities may be limited while traveling. Roads may be slick where runoff is limited. Ponding water is possible where drainage is blocked.

 

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