Snow in Sacramento?

We got a phone call one Sunday night from my brother . . . "Send your kids over, we have a truck load of snow in our front yard!" I was so confused. Turns out their neighbor brought them snow down from the Sierras. He shoveled it out of his truck onto their front yard and Presto! Snow in Sacramento! My kids had a ball! They played out in the snow for 2 hours and then they brought keepsake snowballs home to put in our freezer. I still have the snowballs and just yesterday I wondered if anyone would notice if they disappeared.