NorCal weather forecast includes isolated showers then north winds late this week, with temperatures expected to drop into the 70S and potentially milder temperatures. The forecast also includes a potential for a thunter of thunderstorms across the Northern California coastline. Most of the activity is expected to be to the NORTH into the PACIFIC NORTHWEST, but there is a chance of rain across the region. The weather system is set to shift towards the North Coast, which is likely to bring significant changes as temperatures drop. Despite these changes, there are still some potential for isolated showers across the state. Future weather conditions are expected to include increased cloughiness and increased winds, but not expected to cause significant rainfall.