Havasu Creek crews airlifted about 400 people to safety. Navajo Falls was bypassed in the flooding and new falls—Upper Navajo Falls and Lower Navajo Falls—were formed. Havasu Creek Havasu Creek is a stream in the U.S. state of Arizona associated with the Havasupai people. It is a tributary to the Colorado River, which it enters in the Grand Canyon. Havasu Creek is the second largest tributary of the Colorado River in Grand Canyon National Park. The drainage basin for Havasu Creek is about . It includes the town of Williams, Arizona, and Grand Canyon Village. Havasu Creek starts out above the canyon
Lake Havasu City, Arizona °F (16 °C) to 70 °F (21 °C). Lows in winter average between 40 °F to 50 °F (4 °C-10 °C); temperatures do occasionally dip below 40 °F (4 °C). The city has extremely hot summers, with highs normally remaining between 100 °F and 115 °F (38 °C - 46 °C). Highs are known to exceed 120 °F (49 °C) during the summer months. Overnight low temperatures stay between 80 °F to 90 °F (27 °C - 32 °C) for the months of July and August. The highest overnight low temperature (record high minimum) ever recorded in Lake Havasu City