Atmospheric conditions on Longs Peak may be changeable. The weather at the summit of Longs Peak might vary drastically. It can be crucial to check the weather forecast and be prepared for any weather conditions hiking on Longs Mountain. The is famous for its sudden weather shifts and hazardous weather events. Wearing the right clothes in multiple layers and bringing additional equipment like precipitation coats, hats, and gloves is critical to stay protected from inclement weather.