* WHAT...Dangerously hot conditions with heat index exceeding 105 to near 110 degrees expected.
* WHERE...All of southeast Michigan.
* WHEN...From noon Tuesday to 8 PM EDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...An extended period of hot and humid conditions begins Tuesday afternoon and peaks Wednesday through at least Thursday. High temperatures reach the mid 90s to near 100 degrees and combine with high humidity to result in heat index of 105 degrees or greater each day. Little relief occurs at night as low temperatures only fall into the mid and upper 70s with nighttime heat index around 80.