Yellowstone is a high plateau - much of it sits above 7,500 feet. At that elevation it can snow in ANY month of the year, July and August included. June snow there isn't unusual. It's a normal Tuesday.Weather is what happens today. Climate is the pattern over decades. One snowy day at 8,000 feet doesn't undo a warming trend any more than one cold morning cancels summer.Want the actual climate picture? Here it is …two-thirds of the U.S. is having a top-3 warmest year on record. One snowy plateau