All it takes a little bit of planning and a respect for the power of high places. Here's a list of things to think about the next time to plan a trip above treeline.
Weather forecasts are often valley forecasts.
For every 1,000 feet you climb up a mountain, the temperature drops 3 - 5 degrees. As you go higher, the wind increases, too. So pack for the weather at the top. Mountain weather can change fast. So even on a fine day, bring raingear, a hat, and gloves and one more warm layer than you think you'll need.