
A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >
San Juan, PR
Weather Forecast Office
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Model Analysis & Guidance (Global and Regional scale)
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NOTICE TO ALL USERS - Some of these models are experimental and may not be available at all times. The accuracy or reliability is not guaranteed or warranted. The data are provided 'as is' and should not be used as the sole resource for decision making. Forecast guidance is best interpreted by a professional meteorologist who is familiar with the particular modeling system, including any model biases.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
San Juan, PR
4000 Carretera 190
Carolina, PR 00979
787-253-4586
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