If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >
San Juan, PR
Weather Forecast Office
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NWS Ensemble Day 1 Rainfall Accumulation
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NWS Ensemble Day 2 Rainfall Accumulation
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NWS Ensemble Day 3 Rainfall Accumulation
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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.
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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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