A storm system rapidly moving through Northern California is bringing rain and gusty winds through the Sacramento Valley Sunday.
Heavy mountain snow will create near whiteout conditions in the Sierra, according to forecasters.
Officials are warning residents of possible power outages and some risk of debris flows over recently burned areas.
Motorists should also expect dangerous travel and major delays across the Sierra.
Gusts of up to 40 to 50 mph are expected in the Valley with the strongest winds occurring early Sunday. Wind advisories are in effect until noon.
Snow levels are expected to drop to 5,000 and 6,000 feet Sunday to 3,000 and 4,000 feet Sunday night. Some 12 to 18 inches of snow is expected at pass levels.
The Sacramento Valley should see about .25 to 1 inch of rain.