Nellis Air Force Base (AFB) is located in Clark County, Nevada, approximately 8 miles northeast of Las Vegas. The base experiences a desert climate, characterized by hot summers and mild winters. Summers are very hot with temperatures often exceeding 100°F, while winters are relatively mild with temperatures ranging from 40 to 60°F. The area receives very little precipitation, averaging around 4 inches annually.

As for hydrology constituents, Nellis AFB is situated in the Las Vegas Valley, which is part of the Colorado River watershed. It relies heavily on imported water from Lake Mead for its water supply, as the region has limited local water resources. The management of water resources is crucial to sustain the base and the surrounding community.

Nellis AFB offers various outdoor recreation opportunities. The base has an outdoor recreation center that provides equipment rentals for activities such as camping, boating, fishing, and hiking. There are also several golf courses available for enthusiasts. The nearby Spring Mountains National Recreation Area and Red Rock Canyon National Conservation Area offer additional opportunities for outdoor activities, including rock climbing, hiking, and wildlife viewing. Additionally, the proximity to Las Vegas provides access to a wide range of entertainment and recreational activities.