Extreme Heat Watch issued June 21 at 2:30PM EDT until June 24 at 8:00PM EDT by NWS Northern Indiana

* WHAT…Maximum afternoon Heat Index values up to 105 degrees
possible with overnight low temperatures at or above 75 degrees.

* WHERE…Portions of northern Indiana, southwest Michigan, and
northwest Ohio.

* WHEN…Heat Advisory until 8 AM EDT Sunday. Extreme Heat Watch
from 8 AM EDT Sunday until 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.

* ADDITIONAL DETAILS…Cumulative effects of long-duration heat will
likely cause significant impacts, especially since it is the first
heat wave of the season. Low temperatures in the 70s will provide
little relief, especially for vulnerable populations.