The Illinois High School Association has adopted new safety measures designed to protect players participating in post-season sports from high heat.
The IHSA said Wednesday the new rules will affect regional sectional and super-sectional playoffs, as well as state finals and football playoff games.
The new rules will rely on a measure of the danger of the heat known as the Wet Bulb Globe Temperature, or WBGT. It takes into account humidity and other factors in addition to air temperature.
A WGBT of 90 degrees will require that events be postponed until conditions cool. A measure between 87.6 and 89.9 degrees will require four water breaks per hour of...