AM Sacramento: Here’s what you need to know for Thursday

Local dignitaries gather for a groundbreaking ceremony for the new downtown arena in Sacramento, Calif., on Wednesday, Oct. 29, 2014.
Local dignitaries gather for a groundbreaking ceremony for the new downtown arena in Sacramento, Calif., on Wednesday, Oct. 29, 2014. rbenton@sacbee.com

Good morning. Here’s what you need to know today:

Halloween rain: It’s beginning to look like the best costumes this Halloween will be rain-proof. Think Mary Poppins with her umbrella or a firefighter in full turnout gear, including hat with brim. The National Weather Service is forecasting moderate rainfall to move into Northern California Friday afternoon and linger into the early evening hours.

Giant decade: Led by pitcher Madison Bumgarner, the San Francisco Giants won their third World Series title in five years with a taut 3-2 victory Wednesday night over the Kansas City Royals.

Related Sacramento Bee coverage:

▪  The Giants’ run of world championships since 2010 must be called a dynasty, writes columnist Marcos Breton.

▪  Photo gallery

Bay Area night: While the MLB season ended, the Sacramento Kings began their NBA season Wednesday night with a 95-77 loss to the visiting Golden State Warriors.

Related Bee coverage:

Photo gallery

▪  Interest of World Series Game 7 meant Giants were kings of the night, even at Sleep Train Arena.

▪  With demolition on the eastern half of Downtown Plaza concluding, the Sacramento Kings officially broke ground Wednesday on a $477 million arena.

▪  Watch: Time-lapse of Downtown Plaza demolition

▪  Photo gallery

Big-money boost: Building and real estate interests, led by the developer of the Serrano El Dorado Hills community, have dumped more than $1 million into the campaign to defeat growth control ballot measures in El Dorado County.

Related Bee Election 2014 coverage:

▪  Online Voter Guide: Find the races you’ll vote on and learn about the candidates’ views on the issues. Create a customized ballot and save your picks.

▪  Pick your candidate: Find the legislative and congressional candidates who speak to your point of view with our new interactive feature.

▪  Follow the money: Track the money in California legislative races and learn more about the districts. For even more detail, including daily updates on individual contributions and independent expenditures, subscribe to the Capitol Alert Insider app in your app store.

Investigation looks to engines: Russian-made, 1960s-era rocket engines – tested, modified and supplied by Rancho Cordova-based Aerojet Rocketdyne – became an early focus of speculation following Tuesday’s explosion of an unmanned Antares rocket, which blew up just seconds after its nighttime launch on the Virginia coast.

Teen arrested in school threat case: A 14-year-old student who reportedly “wanted to get a day off from school” at Bella Vista High School was arrested Wednesday in connection with a school shooting threat discovered last week at the Fair Oaks campus, authorities said.

Local sports: NHL – San Jose Sharks at Minnesota Wild, 5 p.m. (CSNCA, KAHI 950)