National Weather Service – Weather Summary:  A series of fronts will bring valley rain, mountain snow, and gusty winds to southern Oregon and northern California. The first front will arrive on Wednesday, the second and wettest front will arrive on Thanksgiving and linger through Friday. The last of the fronts will arrive Friday night into Saturday. Precipitation will gradually end on Saturday evening into Sunday. Temperatures will be relatively colder after Sunday, with lows reaching the low 20s east of the Cascades and the low 30s west of the Cascades, except for the coast.