Google seems to be the hand to try many things these days. And now you can "weather control experiments" on the list of success stories with the company, the last Easter egg. Just do a search for regular old "Let It Snow" and then relax with a cup of hot chocolate and a crackling fire.
If your browser is too cold, should the blue button to change at the top of a search button defrost for a while. [Google via BuzzFeed]
Update: Once you get up steam up the screen completely, you may visit the page of Google search results as a finger to draw on a window.