Climbing Map of Long's Peak Mountain ProjectAtmospheric conditions upon Longs Peak can be capricious. The weather atop Longs Mountain might alter drastically. It can be crucial to keep an eye on the weather forecast and be ready for any kind of climate conditions before Longs Summit. The peak is recognized for its sudden climate variations as well as risky storms. Wearing the right clothes in layers and carrying extra gear like precipitation jackets, hats, and mittens is essential to be sheltered against inclement weather.