The ongoing heat wave poses moderate to extreme heat-related risks, as indicated by the National Weather Service's Heat Risk Index, which places most of Texas under Level 2 to Level 4 risk. Prolonged exposure to such high temperatures and humidity can lead to heat-related illnesses, particularly for vulnerable populations such as the elderly, children, and those with pre-existing health conditions. Outdoor workers and individuals engaging in physical activities during peak heat hours are also at increased risk. The lack of significant rainfall further exacerbates the situation, as it limits relief from the heat.