RIVERSIDE (CNS) - A high-pressure system was expected to continue causing above-average temperatures in Riverside County today, with a chance of thunderstorms in some desert areas.
The National Weather Service's excessive heat warning was extended through 10 p.m. Thursday in the Riverside metropolitan area, Riverside County mountains, the San Gorgonio Pass near Banning and the Coachella Valley.
The NWS urged residents to drink plenty of fluids, stay out of the sun and check on relatives and neighbors. Also, young children, seniors and pets should be never be left unattended in a vehicle, with car interiors able to "reach lethal temperatures in a matter of minutes," according to the NWS.
High temperatures as of 4 p.m. Sunday were 102 in Riverside, 99 in Corona, 113 in Palm Springs,