Temperatures quickly rise for San Diego Thursday

SAN DIEGO (KUSI) — The first major heat wave of the season will hit San Diego over the weekend, sending temperatures in some areas up to 20 degrees above normal and into the triple digits for some parts of San Diego County.

Waves along the beaches may reach up to 8 feet and rip currents will be strong. Forecasters urged those seeking a break from the heat at the beaches to use caution. A NWS beach hazards statement will remain in effect through this evening.

An excessive heat warning for the deserts is set to take effect at 10 a.m. Friday to 8 p.m. Sunday. High temperatures in inland areas are expected to increase to 10 to 20 degrees above normal Friday and Saturday. A heat advisory for mountains will also run during those hours.

“The first heat wave of the season is approaching and the effects of the heat will be magnified since temperatures at the end of May were near normal,” according to the weather service. “High temperatures will be 10 to 20 degrees above average Friday and Saturday, and people may mot yet be acclimated to hot weather.”

   Borrego Springs may see  temperatures reach 114 degrees Friday and Saturday; Julian could see temperatures up to 96 degrees those days.

Coastal areas will also see a warm-up, although less severe.

Thursday’s high temperatures are expected to be 72 degrees at the beaches, up to 78 inland, 79 to 84 degrees in the western valleys, 90 to 95 degrees near the foothills, 90 to 98 degrees in the mountains and 107 to 112 degrees in the deserts. Temperatures are expected to rise throughout the remainder of the week as high pressure builds aloft, according to the National Weather Service.