The National Meteorological office (ONAMET) says that the high temperatures are forecast to continue with isolated thunderstorms in the provinces of Santiago and Dajabon.
They are advising the public to wear light clothing and drink sufficient liquids to prevent dehydration.
http://www.listindiario.com/la-republica/2014/6/23/327038/Temperaturas-altas-y-chubascos-para-hoy-en-el-territorio-nacional