Hike to the Top of Longs Peak in Rocky Mountain National ParkClimate upon Longs Summit is fickle. The atop Longs Peak can alter greatly. It's vital to check the weather forecast and be prepared for any kind of weather conditions hiking on Longs Peak. The mountain is recognized for its unexpected weather variations as well as risky storms. Choosing the suitable attire in layers and carrying additional gear like rain jackets, hats, and gloves is essential to be protected from the elements.