Heat advisory extended from Santa Ynez Valley to local beaches

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Posted at 5:04 AM, Aug 18, 2020

As high pressure continues to build over California, daytime highs will continue to heat up.

A heat advisory that was primarily over the Santa Ynez Valley will now cover coastal valleys and beaches for San Luis Obispo and Santa Barbara Counties through Thursday night.

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Meanwhile, an excessive heat warning across the mountains and foothills will also continue to remain in place through at least Thursday night.

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Daytime highs for the beaches could reach the 80s Tuesday, while the coastal valleys will range from the 80s all the way up to the low 100s for places like San Luis Obispo. For the inland valleys, it will be near downright uncomfortable as daytime highs could once again reach or slightly surpass 116 degrees.

The morning commute will be mostly clear, with the exception of some mid-to-high level stratus towards the coast. Northwesterly winds will pick-up by the afternoon hours, reaching close to 20-25 miles per hour at their peak from the coastal regions to the inland valleys.

The monsoonal flow will still keep the potential for thunderstorms over inland valleys, mountains, and foothills Tuesday. Looking ahead to the weekend, Hurricane Genevieve, which is near Baja California, could bring even more subtropical moisture to the area. At the same time, daytime highs will begin to trend down, but temperatures will likely still be above average.