Climate on Longs Mountain may be fickle. The atop Longs Summit may fluctuate dramatically. It is vital to monitor the weather forecast and be prepared for any kind of climate conditions ascending Longs Mountain. The peak is famous for its sudden climate variations as well as risky storms. Dressing in layers and bringing additional gear like rain jackets, hats, and gloves is crucial to be safe from inclement weather.
Longs Peak Keyhole Route US National Park Service