Houston's heat index values this weekend could become dangerously high, but does this commonly used metric do enough to communicate heat risk?

The rest of this weekend, we're looking for afternoon high temperatures to range from around 95-100 inland and near 90 along the coast.

This weekend, we're looking for afternoon high temperatures to range from around 95-100 inland and near 90 along the coast. This heat comes along with heat index (feels like) values as high as 105. The sky will likely appear hazy by sunset Friday and we could get interesting-looking sunrises and sunsets this weekend.