Wherever you may be today, there's a good chance you're walking in a winter wonderland. Mostly because it isn't safe to drive or fly.
A winter storm warning remained in effect through Monday afternoon for California's Sierra Nevada mountains, where 5 to 10 feet of snow could accumulate on top of the 9 to 10 feet that fell in some areas Sunday.
Heavy rains prompted the emergency evacuation Monday of nearly 2,000 residents of a flooding Southern California town and the
temporary closure of at least two highways because of mudslides.
Residents near McFarland were being evacuated Monday because of what Fire Department spokesman Sean Collins called "major flooding."
The area has been inundated with rain for four days, with totals ranging as high as 10 inches. The National Weather Service said additional rain is expected in the area through Tuesday.
Heavy snow was snarling air travel in Europe, where hundreds of flights were canceled in London, Paris, Frankfurt and Berlin. And just for good measure, the temperature reached zero degrees Fahrenheit overnight in Northern Ireland.
London's Gatwick Airport was closed until Tuesday morning after 5 cm (2 inches) of snow fell in an hour Monday night, airport officials reported.
Airport staff was working to make stranded passengers "as comfortable as possible," but it advised other travelers to check before they left for the airport to make sure their flights were still scheduled.
Australians may see a white Christmas for the first time in decades after up to 11 inches of snow fell in New South Wales and smaller amounts in Victoria. Aussies traditionally sunbathe on the beach on Christmas.
Even people in Minnesota are complaining about winter weather. Punter Chris Kluwe says the outdoor stadium where his Vikings will play Monday night is unplayable because of cold and ice. Watch out, Chris: The area is under a game-time winter storm warning.
Perhaps worst of all, Lady Gaga had to postpone her Sunday night concert in Paris because her 28 trucks could not get into the city under a snow ban.
How is the weather where you are? Share your photos and video with CNN's iReport.
We asked, you responded. Here are some of the photos of the weather mess in Europe that you sent us.