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. Local 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday