Sidney, Iowa is a small town located in Fremont County, in the southwestern part of the state. The climate in Sidney is classified as humid continental, with warm summers and cold winters. Average temperatures range from around 25°F (-4°C) in winter to 85°F (29°C) in summer. The area experiences moderate precipitation throughout the year, with the highest amounts falling in the summer months.

Hydrologically, Sidney is situated near the Missouri River, which is an important water source for the region. The town itself is traversed by several small creeks and streams, including Indian Creek and Mill Creek.

Outdoor recreation opportunities in and around Sidney are plentiful. The area is known for its beautiful natural scenery, making it an ideal location for hiking, camping, and wildlife observation. Nearby parks and recreational areas, such as Waubonsie State Park, offer a variety of activities including fishing, boating, and picnicking. The Missouri River also provides opportunities for water sports like kayaking and canoeing. Additionally, Sidney is close to the Loess Hills, a unique land formation that offers scenic drives and hiking trails with breathtaking views of the surrounding countryside.