A big pattern change arrives in the Mother Lode today as stormy weather will impact Northern California through Monday.
According to the National Weather Service, two primary waves are expected.
The first wave will be tonight through Friday. Half an inch to an-inch-and-a-half of total rainfall is expected across the Northern San Joaquin Valley. Wind gusts of thirty to fifty mph are forecast across the valley. Up to five inches of rain is likely over the Sierra Nevada. Snow levels will remain mostly above 7,500 feet.
The second wave will be Saturday afternoon through early Monday. Wind gusts of thirty to fifty mph are forecast. Up to one inch of rain is expected across the Central Valley. Up to five inches of rain is likely over the mountains. Snow levels will remain mostly above 7000 feet.
Some of the impacts could include slick roads, urban ponding, flooding, clogged gutters and drains from fallen leaves, downed small branches, weakened trees, power outages and blowing debris including loose Halloween decorations. There is a high potential of spinouts and accidents, especially for the Friday morning commute. Travel across the local mountain passes will also be affected.