Southern California residents should brace for a significant warm-up next week as temperatures climb toward triple digits in some areas, KTLA forecaster Kirk Hawkins said.
Forecasters have issued an extreme heat watch for portions of inland Southern California from Tuesday through Thursday night as a strengthening ridge of high pressure builds over the region, Hawkins said.
Inland valleys, mountains and desert communities will see the hottest conditions, with temperatures approaching or exceeding 100 degrees. In the High Desert, highs will reach about 98 degrees Tuesday and Wednesday.
“The ridge of high pressure is expected to build in early next week and really warm things up during the latter part of the week,” Hawkins said.
The National Weather Service issues an extreme heat watch when dangerously hot conditions are possible, giving residents time to prepare for prolonged periods of excessive heat.
Air quality could also become a concern in some inland communities. Hawkins reported moderate air quality conditions Saturday in areas including Hesperia, Rancho Cucamonga and Big Bear, while coastal communities continued to enjoy cleaner air and cooler temperatures.
Forecasters also expect afternoon gusty winds in some mountain and desert locations along with the heat.
Meanwhile, beachgoers hoping to escape the heat may find cooler temperatures along the coast, though Hawkins warned of hazardous beach conditions. Elevated surf and dangerous rip currents will continue through the weekend.
Saturday brought relatively mild weather across much of Southern California, with sunshine, a few clouds and calm winds. Coastal temperatures should stay below normal even as inland communities heat up next week.
Officials encourage residents to stay hydrated, limit strenuous outdoor activities during the hottest parts of the day and check on vulnerable family members, neighbors and pets as temperatures rise.
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