Independence Day weekend was hot. And forecasts show greater heat on the way this week.
Heat index values peaked at around 110 degrees over the weekend. A heat advisory was issued Monday for the Lowcountry, warning of heat index values of 110. The National Weather Service forecasts potentially higher values this week, and a highest-level risk of heat-related impacts for parts of the Lowcountry.
Here’s what you need to know about this week’s extreme heat:
What’s the forecast?
A forecast discussion from NWS’s Charleston branch states heat advisories may be needed beyond Monday due to the extreme heat. The NWS places most of the Lowcountry under a major heat risk through Wednesday, and then an extreme heat risk from Thursday to Saturday for Bluffton and Hilton Head. Extreme is the NWS’s highest risk of heat-related impacts. Heat-related illness is likely with long exposure, and overnight temperatures are unlikely to cool below 80 degrees Fahrenheit…