Enjoy beautiful July 4th weekend before major forecast change in SoCal

LOS ANGELES (KABC) -- Enjoy beautiful Fourth of July weekend weather before the first heat wave of the summer arrives in Southern California next week, bringing temperatures over 100 degrees.

After a few days of mild temperatures, things will start to gradually warm this weekend before a big dome of high pressure arrives. That high pressure will continue to build, bringing some very hot weather next week.

That high-pressure zone and extreme temperatures could stick around for several days.

Los Angeles and Orange counties Friday will see morning clouds and afternoon sunshine, along with a high of 80 degrees and a low of 63. Once we get into the weekend and early next week, the marine layer clouds will be scarce as temperatures begin to rise. Highs are expected to reach the low 90s on Wednesday when the heat wave arrives.

The valleys and Inland Empire Friday will see a high of 88 degrees and a low of 58. Temperatures are expected to return to the 90s by Saturday, and keep warming up to 105 by Wednesday.

Beaches Friday will see morning clouds and afternoon sunshine, along with a high of 72 degrees and a low of 62. Temperatures will gradually increase by the start of the work week.

The mountains Friday will see a high of 77 degrees and a low of 44. The heat arrives by Sunday and will continue to build, with a forecasted high of 87 on Wednesday.

Deserts Friday will see a high of 93 and a low of 65. Palm Springs is expected to hit a high of 107. Temperatures will be in the triple digits by Monday.

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7-Day Forecasts

Los Angeles / Orange County Weather Forecast

Valleys and Inland Empire

Beaches

Mountains

Deserts