RSS feed source: US National Weather Service

* WHAT…A period of dangerously hot and humid conditions are expected.This level of heat affects anyone without effective cooling and/or adequate hydration. * WHERE…Lower elevations, coastal, and urban areas of municipalities across north Central, northwest, and San Juan and Vicinity. * WHEN…From 10 AM this morning to 5 PM AST this afternoon. * IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events.

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RSS feed source: US National Weather Service

* WHAT…A period of dangerously hot and humid conditions are expected. This level of heat affects most individual sensitive to heat. * WHERE…Lower elevations, coastal, and urban areas of municipalities across the northeast, eastern interior, western, southern Puerto Rico, as well as Vieques, Culebra, and St Croix. * WHEN…From 10 AM this morning to 5 PM AST this afternoon. * IMPACTS…Hot temperatures and high humidity may cause heat illnesses.

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RSS feed source: US National Weather Service

* WHAT…Temperatures in the lower 30s will result in frost formation. * WHERE…Lewis, Cattaraugus, and Allegany Counties. * WHEN…Until 9 AM EDT this morning. * IMPACTS…Frost could kill sensitive outdoor vegetation if left unprotected.

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