LOS ANGELES (KABC) -- The first heat wave of the summer arrives in Southern California this week, bringing triple-digit heat to many areas.
Things will start heating up on Tuesday as a ridge of high pressure coming in from Arizona builds. Temperatures will rise to the 90s and triple-digits for many areas when the heat wave peaks on Wednesday and Thursday.
Relief won't arrive until Friday, when temperatures begin to dip back down heading into the weekend. There's already another heat wave in the forecast for next week.
Los Angeles and Orange counties Monday will see morning clouds and afternoon sunshine, along with a high of 82 degrees and a low of 59. Once the heat wave arrives, highs are expected to hit 89 by Wednesday and Thursday.
The valleys and Inland Empire Monday will see a high of 93 degrees and a low of 64. By Wednesday and Thursday, the high is expected to climb to 101 and 102 degrees. Temperatures will come down some by the weekend, but it will still be hot.
Beaches Monday will see morning clouds and afternoon sunshine, along with a high of 72 degrees and a low of 64. Temperatures will gradually increase during the heat wave, hitting 76 by Wednesday and Thursday.
The mountains Monday will see a high of 80 degrees and a low of 48. The heat wave will bring a high of 86 by Wednesday.
Deserts Monday will see a high of 97 and a low of 62. Palm Springs is expected to hit a high of 111. Triple-digits arrive by Tuesday, with peak highs of 104 and 105 on Wednesday and Thursday, and 115 in Palm Springs.
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