DES MOINES, Iowa —
Most leaves remain green, but the last few cool days have reminded us that peak season for fall foliage isn't that far off.
Even without the recent cooldown, the rapidly dwindling daylight is a sign that autumn colors are on the horizon.
When does fall color typically peak?
Right now, we're still weeks away.
Hearst Owned Typical timing of peak fall colors across Iowa.
On average, October is the month for prime viewing in Iowa — early in the month across the north and a few weeks later across the south.
Upcoming weather will make a difference
Loss of daylight is the main driver behind leaves changing color each year.
As nights get longer, leaves stop producing a green chemical called chlorophyll. When the green color disappears, other pigments like red, orange