The National Weather Service says Tuesday through Thursday, about a half-an-inch of rain is expected in the valley with an inch or so of rain in the foothills.
Mike Smith with the Weather Service in Sacramento says there's also a chance of thunderstorms and even a tornado.
"This is probably a pretty normal winter storm for a normal season, so it's not going to help a whole lot; it's just one system," says Smith. "The good news is, we do have more on the way. We're expecting more rain coming up this weekend and then possibly some more even going into next week."
He says the region is still a long way from normal when it comes to precipitation - but there's positive news in the forecast.
Smith says the storm is also likely to bring a foot or two of snow to the Sierra. He says gusty winds are possible, and there's a winter storm warning in effect from 3 p.m. today through Thursday morning.
It could take weeks to dry everything out — and some books are in a "deep freeze."
The snowiest storm to hit the foothills since 2011 — that's how the National Weather Service in Sacramento is describing this latest winter storm. Potential impacts include road closures and traffic delays.
A frigid air-mass from Canada is now over Northern California bringing snow to the Sierra and freezing temperatures to the Sacramento Valley. Meteorologists say this is not typical winter weather for the region.
Thursday afternoon at 1:02 p.m., the West Coast officially transitioned from summer to fall during the autumnal equinox.
Multiple records were again broken Thursday as temperatures in the region soared well above 100 degrees as they have for the past week. Where's the Delta Breeze?