weather May 6, 2021 2:54 pm What Does '40% Chance of Rain' Mean? You hear it all the time in your weather forecast. “There’s a 40% chance of rain,” but what does it mean? Hint: It doesn’t mean 40% of your area will get rain. NBC Bay Area’s Rob Mayeda explains. US & World Videos 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 1:04 Hunter Biden plans to sue Fox News 1:59 Coyote warning for pet owners in parts of Connecticut 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing