Temperatures are expected to climb into at least the mid-90s this week in some parts of Oregon. Health officials are recommending people prevent heat-related illnesses that can lead to heat exhaustion and heat stroke.

“People may not realize that heat-related illnesses can be deadly,” said Tom Jeanne, the deputy state health officer at the Oregon Health Authority (OHA) Public Health Division. “Extreme heat conditions pose a higher risk for children, people 65 and older, and those with chronic health conditions as well as athletes and outdoor workers.” Also at higher risk are people with low incomes because, said an OHA press release, they often can’t afford air conditioning for their homes or they live outdoors where they are more exposed.