Late-Summer Heat Wave Continues To Scorch Inland San Diego County

SAN DIEGO, CA — High temperatures are expected to hit peak highs Thursday and Friday as a late-summer heat wave lingers across inland San Diego County.

An extreme heat warning remains in effect until 8 p.m. Saturday for the county deserts. Dangerously hot conditions with temperatures up to 116 degrees are expected.

Meanwhile, a heat advisory remains in effect until 8 p.m. Friday for the mountains and valleys. Temperatures are expected up to 104 degrees for the inland valleys, according to the NWS.

Thursday and Friday are expected to be the hottest days.

"Heat-related illnesses increase significantly during extreme heat events," forecasters warned.

Weather officials advised residents to drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun, and check on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances.

• Also see: Where To Find A Cool Zone As Heat Wave Scorches San Diego County

Forecasters said the heat wave will be followed by a gradual cooling trend.

"The heat is expected to peak for most areas today and Friday with slight cooling for the weekend and continued cooling early next week to around average for the middle of next week," officials said. "Monsoonal moisture will increase into the weekend with increasing chances for showers and thunderstorms over the weekend, most likely during the afternoon and early evening, and mostly for the mountains and deserts. There will be gradual drying of the monsoonal moisture for the middle and latter part of next week with decreasing chances for showers and thunderstorms."