Idaho Falls Weather in October

Idaho Falls in eastern Idaho along the Snake River sits at 4,710 feet elevation with a true continental climate. Winters are significantly colder than Boise with temperatures regularly dropping below 0°F and substantial snowfall. The Snake River creates a riparian corridor through the city, and the city is in the Pacific Northwest volcanic zone with Craters of the Moon nearby.

Foliage season in temperate cities. Often the best month to visit Europe.