Lewis, Iowa is a small town located in Cass County, Midwest United States. The climate in Lewis is classified as humid continental, with hot summers and cold winters. Summers bring average temperatures of around 80°F (27°C), while winters can drop to an average of 15°F (-9°C). Precipitation is fairly evenly distributed throughout the year, with an average annual rainfall of 31 inches (79 cm) and snowfall reaching approximately 30 inches (76 cm).

Hydrologically, Lewis benefits from its proximity to the Nishnabotna River, which runs just south of the town. The river serves as a source of water supply and offers opportunities for fishing and boating. Additionally, Lewis is surrounded by fertile farmlands, with agriculture playing a significant role in the local economy.

Outdoor enthusiasts will find several recreational opportunities in Lewis. The nearby Nishnabotna River and its tributaries provide excellent fishing spots, attracting anglers looking to catch catfish, bass, and panfish. The surrounding countryside offers opportunities for hunting, hiking, and birdwatching, with abundant wildlife and scenic landscapes. Overall, Lewis, Iowa provides a welcoming environment for those seeking outdoor activities and a chance to connect with nature.