Longs PeakKeyhole Route Frequently Asked QuestionsAtmospheric conditions upon Longs Mountain can be fickle. Conditions on Longs Peak might alter drastically. It is crucial to check the forecast and be equipped for any kind of climate conditions before Longs Mountain. The mountain is noted for its unexpected climate shifts as well as hazardous storms. Dressing in layers and carrying additional equipment like rain coats, hats, and mittens is crucial to stay protected from the elements.