Okay, so it lasted all of 5 minutes and it didn't stick, but my other half and I were witnesses to this! It doesn't snow where we live. Well, rarely, anyway! I never seen more than a few flakes much like last night's in the 5 years I've lived here.
I had to be quick, but I managed to snap a couple photos before it disappeared.
Those tiny white specs you see are snowflakes:
It stuck to the ground for 2 whole minutes before disappearing: