Atmospheric conditions upon Longs Peak can be unpredictable. The weather on Longs Peak might alter drastically. It can be vital to monitor the weather forecast and be ready for any kind of weather conditions hiking on Longs Summit. The peak is renowned for its sudden weather variations as well as hazardous storms. Dressing in layers and bringing extra equipment like rain coats, caps, and mittens is crucial to be sheltered against inclement weather.