Heat wave brings excessive heat throughout county through early next week

SAN DIEGO (CNS) - The mercury could climb into the triple digits Thursday in the San Diego County mountains and foothills as a stretch of scorching heat begins in southern California.

A ridge of high pressure will continue building over the southwestern United States through Monday, ushering in the scorching heat, according to the National Weather Service.

The NWS issued an excessive heat warning that will be in effect from noon Friday to 9 p.m. Monday in the county valleys, mountains and deserts.

The NWS urged residents to drink plenty of fluids, stay out of the sun and check up on relatives...