- Beneficial rain today - Warming and drying trend starts Friday Overcast skies and scattered showers remain through the day with some slowing in the frontal passage. Light rain showers are ongoing across the Bay Area ahead of a cold front located about 200 miles west of San Francisco. This front is connected to a mature cut off low pressure system way up in the southern Gulf of Alaska. This separation is causing a very slow forward progression of the cold front. Bottom line...When all is said and done, we`re expecting up to 1" in the coastal mountains of the North Bay with up to .25 in the wettest locations of the Bay Area between now and NOON Thursday. Thunderstorm risk is slim. With the rain spread out over the day, this is mostly a beneficial event and will help put a slight damper on

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