Atmospheric conditions upon Longs Summit can be fickle. The at the summit of Longs Peak may vary greatly. It can be vital to check the weather forecast and be ready for any kind of climate conditions hiking on Longs Summit. The peak is noted for its abrupt weather changes and risky storms. Choosing the suitable attire in layers and bringing spare equipment like precipitation coats, hats, and mittens is essential to stay safe from inclement weather.