Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Last Update: 914 PM AST Sat Jan 20 2018

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San Juan, PR Local Forecast Office

25NM SSW Vieques PR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM AST SUNDAY THROUGH

Rest Of Tonight
East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 10 seconds. North swell around 4 feet after midnight. Isolated showers.
Sunday
East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. North swell around 4 feet. Scattered showers.
Sunday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers.
Monday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers.
Monday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers.
Tuesday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers.
Wednesday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Isolated showers.
Thursday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. North swell 4 to 5 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 914 PM AST Sat Jan 20 2018
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