The vernal equinox, marking the start of astronomical spring, is March 20, 2026. Here's what to know as the season starts.
Spring officially begins on Friday, March 20. What does that mean for you?
On March 20, winter officially ends with the arrival of the astronomical spring in the Northern Hemisphere.
The first official day of spring is coming soon, marking the 2026 spring equinox in Illinois. Here's the local forecast for the season.
The first day of spring occurs on the spring equinox, which is also known as the March equinox or the vernal equinox.