* WHAT...Dangerously hot conditions with heat index values up to 105.
* WHERE...The Champlain Valley of New York and Vermont, as well as eastern Windsor County in Vermont.
* WHEN...Until 7 PM EDT Friday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest heat index values will occur between 1 PM and 5 PM daily through Friday.