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KTLA weather: Marine layer keeps it comfortable

May 28, 2009 |  8:39 am

Ktla_weather

The marine layer has pushed clouds and fog all the way to the coastal slopes this morning. The valleys will be sunny by late morning; however, some beaches may only have partial clearing.  With this weather pattern in place, high temperatures are going to be very comfortable, with the beaches near 70 and the valleys mostly in the mid-80s.

This afternoon, subtropical moisture will bring a slight chance of thunderstorms to the deserts and mountains. Southwesterly winds are forecast to develop in these areas, with sustained breezes of up to 25 mph. 

The Friday forecast looks similar to today's. Heavy morning clouds and fog will blanket everything west of the mountains. Interior California will start the day clear. Friday afternoon, the conditions will flip as daytime heat vaporizes the marine layer and percolates clouds over the deserts and mountains. Once again, there will be a chance of afternoon and evening thunderstorms.

This weekend, the high pressure over the region will shift to the east, replaced by a trough of low pressure.  That means low clouds and fog will dominate more of the day.

More details at KTLA's weather blog.

-- Warren Hohmann