Heat Advisory issued June 21 at 2:42PM EDT until June 22 at 8:00AM EDT by NWS Detroit/Pontiac MI

* WHAT…For the Heat Advisory, heat index values up to 101. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 105 expected.

* WHERE…Macomb, Oakland, and Wayne Counties.

* WHEN…For the Heat Advisory, until 8 AM EDT Sunday. For the
Extreme Heat Warning, from 8 AM Sunday to 8 PM EDT Tuesday.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.