The Brief Illinois has no statewide rules protecting workers from extreme temperatures on the job. A new bill would require employers to provide safety plans, including water in heat and warming areas in cold. Supporters say worsening climate extremes make passing the measure urgent. People across Illinois are heading to work in freezing cold and dangerous heat, and right now, there are no state rules protecting them from extreme temperatures. That includes access to water in extreme heat and warming areas in extreme cold, with policies tailored to the type of work being done.