Weather upon Longs Peak can be capricious. Conditions at the summit of Longs Mountain may shift drastically. It can be essential to check the weather forecast and be prepared for any kind of climate conditions hiking on Longs Mountain. The mountain is recognized for its abrupt climate shifts as well as dangerous weather events. Dressing in multiple layers and bringing spare equipment like precipitation coats, hats, and mittens is essential to stay sheltered against inclement weather.