Mark Twain once famously quipped, “If you don’t like the weather in New England, just wait a few minutes.” The adage could also apply to weather in the Sierra foothills, where mountainous terrain and proximity to ocean can bring about rapidly changing conditions. However, this will not be the case for the next seven to 10 days, weather officials said, as cool, clear and dry weather is scheduled to continue. “You can expect similar conditions you’ve seen to continue for the next couple days,” said National Weather Service meteorologist Drew Peterson. An Omega Blocking Pattern hovering over the eastern portion …