As the season changes, trees across the country will once again turn vibrant shades of yellow, orange and red.

When will those fall colors reach their peak in South Dakota? Here's what experts are saying as autumn arrives.

When is the first day of fall?

The autumnal equinox marks the astronomical start of fall in the Northern Hemisphere. The date varies by year, and in 2025, it's Sept. 22.

However, the meteorological start of fall runs from Sept. 1 to Nov. 30, which makes it easier to "calculate seasonal statistics from the monthly statistics," according to the National Oceanic and Atmospheric Administration .

When will leaves change color in South Dakota?

The Weather Channel says the potential for peak fall colors should start to arrive in the Midwest, including much of South D

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