Prolonged exposure to these temperatures, especially after a period of unseasonably cool temperatures, will increase the risk of heat related illnesses. Children, the elderly, and people with chronic ailments are the most susceptible to heat related illness. Heat exhaustion, cramps, or in extreme cases, heat stroke can result from prolonged exposure to these conditions. Area waterways running very cold and fast, increasing risk for hypothermia, and water rescues. Pets, crops, and livestock may also require extra care through the hot weather.