Hike to the Keyhole on Longs Peak in Rocky Mountain National ParkAtmospheric conditions upon Longs Peak can be unpredictable. The on Longs Mountain might shift drastically. It can be important to check the forecast and be equipped for any kind of weather conditions ascending Longs Summit. The mountain is renowned for its abrupt climate changes as well as hazardous storms. Choosing the suitable attire in multiple layers and carrying extra equipment like rain coats, caps, and gloves is crucial to be sheltered against inclement weather.