The National Weather Service says a series of wet systems from the northern Pacific Ocean could bring more than an inch of rain to some areas. The precipitation is likely to continue through the weekend.
A winter weather advisory is in effect Wednesday for Lake Tahoe and much of the Sierra's eastern front where up to a foot of snow is expected by Thursday morning.
The National Weather Service says the heaviest snow is expected during the day Wednesday. Between two and four inches of snow is expected at lake level at Tahoe.
Meanwhile, the snowpack atop mountain peaks in California has a new set of eyes to better gauge the amount of spring runoff. NASA has fixed a twin-engine plane with high-tech equipment to make regular snow surveys in the state.
Snow increasing in mountains today. Images are of expected snowfall totals for today and tonight. http://t.co/KhspxgDEFB— NWS Sacramento (@NWSSacramento) March 26, 2014
Isolated valley t-storms expected later today. Potential for weak funnel clouds and/or tornadoes in Sac Valley. pic.twitter.com/94gPSH9yWp— NWS Sacramento (@NWSSacramento) March 26, 2014
CHP is requiring chains on I-80 between Donner Lake Rd. to Nyack and Eastbound 1-80 at Drum Forebay is closed due to heavy snow and multiple accidents. Downtown Sacramento's Concert in the Park was cancelled due to the weather.
The National Weather Service has issued a severe thunderstorm warning for Sutter and Yuba counties until 1:30 p.m. Unsettled weather will continue through Saturday.
The storm that's been bringing strong winds, heavy rain and snow to much of Northern California over the past four days is weakening.
The California grape harvest dropped seven percent last year from 2014.
A winter storm is forecast to bring mostly rain in the Sierra Nevada Friday, with high snow levels. But Saturday, snow is expected at lower elevations.