With the season set to soon change from summer to fall, the leaves on some trees in Illinois have already started to change from green to vibrant colors.

But it'll still take some time for peak fall foliage to hit in the Chicago area, especially in the city.

With the autumnal equinox set for Monday, Sept. 22, here's a look at when you can expect the leaves to change colors across the state, and when they'll hit their peak.

Illinois fall foliage map

According to Illinois' fall foliage map , leaves are already showing "minimal" signs of change.

By the end of September, the transition will be in full swing, the Illinois Trip Planner from the Department of Natural Resources predicts, particularly for northern Illinois and then spreading south into central Illinois.

Early-to-mid Octobe

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