Interior NorCal temperatures will continue to cool off today and Tuesday as clouds move in and onshore flow cools off areas near the Delta. Meanwhile, monsoonal moisture will spread into the area from the south bringing an increasing chance of thunderstorms over the mountains. There is still some uncertainty in the models, but it appears there it an outside chance some showers may occur over the Central Valley tonight into Tuesday.
Monday, July 22, 2013
Temps cool a bit, rain possible this week
From the National Weather Service in Sacramento: