Longs Peak Climbing Hiking Mountaineering SummitPostWeather upon Longs Peak is changeable. The weather atop Longs Summit may change greatly. It's vital to monitor the forecast and be prepared for any weather conditions before Longs Peak. The is noted for its sudden climate variations and hazardous storms. Choosing the suitable attire in layers and bringing extra equipment like precipitation coats, hats, and mittens is crucial to be protected from inclement weather.