Southern U.S. Heavy Rain; Lake Effect Snow Redevelops

Locally heavy rain may bring a threat of flash, urban, and small stream flooding across the lower Mississippi Valley Thursday and Friday. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. Read More >

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Last Map Update: Thu, Jan. 21, 2021 at 8:26:36 pm AST

Watches, Warnings & Advisories


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	Hazardous Weather Outlook

Thursday Night

Friday Daytime

A few showers may linger across northern and eastern portions of PR and the USVI. Tranquil marine conditions with seas up to 5 feet are expected. Moderate risk of rip currents for beaches along the north coast of Puerto Rico and Culebra.

Southern U.S. Heavy Rain; Lake Effect Snow Redevelops

NWS San Juan, PR