Lucile is an unincorporated community in Idaho County, Idaho, United States. Lucile is located on the east bank of the Salmon River and U.S. Route 95 8 miles (13 km) north of Riggins. Lucile has a post office with ZIP code 83542.
The climate in this area has mild differences between highs and lows, and there is adequate rainfall year round. According to the Köppen Climate Classification system, Lucile has a marine west coast climate, abbreviated "Cfb" on climate maps.