Gusty winds are expected to drive heavy rainsqualls into the Californian and Oregon coasts by this evening.
Thunderstorms are possible in northern California, mostly in the western mountains.
NWS forecasters also expect heavy high elevation snowfall in the northern Sierra and Oregon Cascades tonight. Snow showers will spread inland overnight. NWS has issued a coastal flood watch from Cape Shoalwater, Wash., south to Florence, Ore., for later tonight into Wednesday. The coming storm is expected to produce seas to 30 feet along the coast during the watch period. Windy conditions will also accompany the approaching storm.