Geography of Idaho Falls, Idaho

By | December 5, 2023

Idaho Falls, situated in the southeastern part of the state of Idaho, is a picturesque city with diverse geographical features and a climate that reflects the influence of its high-altitude location. Nestled along the Snake River and surrounded by mountains, Idaho Falls offers residents and visitors a unique blend of natural beauty and urban amenities. In this comprehensive overview, we’ll explore the geographical characteristics and climate of Idaho Falls.

Geographical Overview:

  1. Location: Idaho Falls is located in the eastern portion of Idaho, near the border with Wyoming. Its geographical coordinates are approximately 43.4917° N latitude and 112.0339° W longitude. The city is situated on the Snake River, a major watercourse that flows through the region.
  2. Snake River: The Snake River, a prominent feature in the area, meanders through Idaho Falls. This river is a vital part of the Columbia River Basin and contributes to the region’s agriculture, recreation, and hydroelectric power generation.
  3. Mountainous Surroundings: Idaho Falls is surrounded by mountainous terrain, adding to its scenic beauty. To the west, the Snake River Range and Big Hole Mountains rise, while the Teton Range graces the eastern horizon. These mountains not only provide a stunning backdrop but also offer recreational opportunities, including hiking, skiing, and camping.
  4. Agricultural Plains: The region around Idaho Falls features expansive plains, providing fertile ground for agriculture. The Snake River Valley is known for its agricultural productivity, with crops such as potatoes, wheat, and barley being grown in the area.
  5. Elevation: Idaho Falls sits at a relatively high elevation, with an elevation of around 4,700 feet (1,433 meters) above sea level. The higher elevation contributes to the city’s climate and the types of flora and fauna that thrive in the region.

Climate Overview:

According to prozipcodes, Idaho Falls experiences a semi-arid climate with cold winters and warm summers. The climate is influenced by the city’s elevation, its proximity to the Rocky Mountains, and the presence of the Snake River. Here’s a breakdown of the seasons:

  1. Summer (June to August): Summers in Idaho Falls are generally warm, with average high temperatures ranging from the mid-80s to the low 90s Fahrenheit (around 29-35 degrees Celsius). While the days are warm, the evenings can cool down, providing a pleasant contrast. Summer is the driest season, with minimal rainfall.
  2. Fall (September to November): Fall brings cooler temperatures, with average highs ranging from the mid-60s to the low 70s Fahrenheit (around 18-24 degrees Celsius). The region experiences a gradual transition from the warmth of summer to the chill of winter. Fall foliage colors dot the landscape, creating a picturesque scene.
  3. Winter (December to February): Winters in Idaho Falls are cold, with average high temperatures ranging from the 20s to the 30s Fahrenheit (around -6 to 4 degrees Celsius). Snowfall is common during the winter months, and the surrounding mountains receive even more significant snow accumulation. Winter sports enthusiasts can enjoy skiing and snowmobiling in the nearby mountains.
  4. Spring (March to May): Spring sees a gradual warming of temperatures, with average highs ranging from the mid-40s to the low 60s Fahrenheit (around 7-21 degrees Celsius). As the snow begins to melt, the landscape awakens with the emergence of new growth. Spring is a transitional period leading into the warmer months of summer.

Climate Factors:

  1. Elevation: Idaho Falls’ elevation significantly influences its climate. The higher altitude contributes to cooler temperatures, especially during the winter months. The city’s elevation is a characteristic feature that sets it apart from lower-altitude areas in the region.
  2. Proximity to the Rocky Mountains: Idaho Falls is situated relatively close to the Rocky Mountains, and the city’s climate is influenced by the mountainous terrain. The mountains play a role in shaping weather patterns, including precipitation and temperature fluctuations.
  3. Snake River: The Snake River, flowing through Idaho Falls, contributes to the region’s climate by moderating temperatures. Bodies of water, such as rivers, have a stabilizing effect on local climates, and the Snake River can influence both temperature and humidity levels.
  4. Semi-Arid Conditions: Idaho Falls falls within a semi-arid climate zone. This classification is characterized by limited precipitation, and the city experiences dry conditions, particularly during the summer months. Water management is crucial for agricultural activities in the region.
  5. Mountain Snowfall: The surrounding mountains, including the Teton Range to the east, receive significant snowfall during the winter. This snowpack contributes to the water supply for the region, affecting both agriculture and local ecosystems.

Natural and Recreational Attractions:

  1. Snake River Greenbelt: The Snake River Greenbelt, a scenic area along the riverbanks, offers walking and biking trails, parks, and viewpoints. Residents and visitors can enjoy the natural beauty of the river while engaging in outdoor activities.
  2. Idaho Falls Zoo at Tautphaus Park: Tautphaus Park is home to the Idaho Falls Zoo, featuring a diverse collection of animals from around the world. The zoo provides an educational and recreational experience for families and wildlife enthusiasts.
  3. Grand Teton National Park: While not directly in Idaho Falls, Grand Teton National Park is easily accessible to the east. The park offers stunning mountain scenery, hiking trails, and opportunities for wildlife viewing. The iconic Grand Teton peaks are a highlight of the region.
  4. Heise Hot Springs: Located north of Idaho Falls, Heise Hot Springs provides a relaxing and therapeutic experience. Visitors can enjoy hot pools and scenic views of the surrounding mountains, making it a popular destination for relaxation.

Economic and Community Features:

  1. Agriculture: Agriculture is a significant component of Idaho Falls’ economy. The fertile plains surrounding the city support the cultivation of various crops, with potatoes being a major agricultural product. The region’s agricultural output contributes to the local economy and beyond.
  2. Energy Industry: Idaho Falls plays a role in the energy sector, particularly in nuclear research. The city is home to the Idaho National Laboratory (INL), a leading research facility focused on nuclear energy and other scientific advancements.
  3. Education: Idaho Falls is served by several educational institutions, including Idaho State University (ISU) – Idaho Falls. These institutions contribute to the city’s educational landscape, offering opportunities for higher learning and research.
  4. Recreational Opportunities: The proximity to natural attractions, such as the Snake River and nearby mountains, provides ample recreational opportunities. Residents and visitors can engage in outdoor activities such as hiking, fishing, and boating, contributing to a high quality of life.


Idaho Falls, with its scenic surroundings, diverse geography, and distinctive climate, embodies the beauty and resilience of the Intermountain West. From the fertile plains along the Snake River to the snow-capped peaks of the nearby mountains, the city offers a range of natural and recreational experiences. Idaho Falls’ role in agriculture, energy research, and education further enhances its significance in the region. The blend of urban amenities and access to outdoor adventures makes Idaho Falls a unique and appealing community for those who appreciate the charm of the high-altitude landscapes of eastern Idaho.

Idaho Falls, Idaho