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The Lewis-Clark Valley is located in North Central Idaho at the confluence of the Snake and Clearwater Rivers and enjoys one of the best climates in the Northwest.
Click here for five day forecast Click here for Current Road Conditions Lewiston's climate is normally mild. An analysis of 90 years of weather records established the city's hardiness zone as USDA - 6a (-5 to -10F). Soils and water are commonly high alkaline (ph 7.1 - 7.3). At an elevation of 735 feet above sea level, Lewiston has a unique micro-climate for this region and is conducive to the introduction of a number of exotic deciduous and conifer tree species.
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