Rocky Mountain National Park sees 3rd death in just over 2 weeksClimate on Longs Mountain may be inconstant. The weather atop Longs Peak may fluctuate drastically. It can be vital to monitor the forecast and be ready for any climate conditions before Longs Summit. The mountain is recognized for its unexpected weather changes and dangerous weather events. Choosing the suitable attire in layers and carrying extra equipment like rain jackets, caps, and gloves is crucial to be sheltered against inclement weather.