National Weather Service United States Department of Commerce

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

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Last Map Update: Wed, Apr 15, 2026 at 5:30:20 am PDT

Heavy snow is expected in the Cascades and Olympics Tuesday through Wednesday evening. If you're heading up the Cascades or Olympics during this window, make sure your vehicle is prepped for possible slick conditions.

 

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