National Weather Service United States Department of Commerce

Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

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The following summaries cover selected significant meteorological events occurring in the National Weather Service Philadelphia/Mount Holly county warning area (CWA). Event reviews are completed based on event significance and resource availability. The information provided on these pages should be considered preliminary.

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