Weather Dictionary / Glossary of Terms

Excessive Heat Watch


   Weather TermDescription / Definition
   Excessive Heat Watch Issued by the National Weather Service when heat indices in excess of 105ºF (41ºC) during the day combined with nighttime low temperatures of 80ºF (27ºC) or higher are forecast to occur for two consecutive days.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration