A trough off the West Coast will bring cooler temperatures this weekend, with gusty west winds at times and rain showers later tonight into Sunday as low pressure draws tropical moisture into Southern California. Tropical moisture from weakening Hurricane Marie will move into our area tonight bringing increasing clouds and winds with showers developing. Unfortunately, Sunday could be a soggy day out there with showers likely as highs cool to the 60s. Some instability could spark an isolated thunderstorm, but overcast skies may prevent a lot of widespread instability. As the moist southwest flow continues into Labor Day, we could see a lingering showers, gradually clearing as moisture lifts northeast of the region. Total rainfall amounts of around a tenth to a quarter inch are possible across much of SoCal, with locally a half inch or more in the mountains or near any thunderstorms. High pressure will return to the Desert Southwest throughout much of next week, setting us up in a late-season monsoon pattern with near-normal temperatures and possible afternoon thundershowers over our mountains and deserts.

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