Spring officially begins at 10:46 a.m. ET on Friday, March 20, 2026, with the arrival of the vernal equinox (spring equinox).
The first official day of spring is coming soon, marking the 2026 spring equinox in Illinois. Here's the local forecast for the season.
Spring is officially here! The vernal equinox happened last Friday, March 20, at 10:36 a.m. —the time when the sun shines most directly on the equator, resulting in nearly equal amounts of daylight ...