LOS ANGELES (KABC) -- The threat of thunderstorms lingers in the mountains and deserts on Thursday as other parts of the region remain warm and sunny.

Looking ahead, temperatures will warm up slightly this Labor Day weekend.

Los Angeles and Orange counties on Thursday can expect a high temperature of 83 degrees and a low of 65.

Southern Orange County down to San Diego could see a slight chance of rain. Expect temperatures in the high-80s for another day ahead of a slight warmup.

In the valleys and Inland Empire, temperatures in the next few days will be in the mid-90s and sunny conditions are on tap. Thursday will reach a high of 88 and a low of 63.

Beaches will see a mix of morning fog and afternoon sunshine, along with a high in the mid-70s. Plus, there's a slight chance of rain on

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