Heat Advisory: Carroll; Warren; Tippecanoe; Clinton; Howard; Fountain; Montgomery; Boone; Tipton; Hamilton; Madison; Delaware; Randolph; Vermillion; Parke; Putnam; Hendricks; Marion; Hancock; Henry; Vigo; Clay; Owen; Morgan; Johnson; Shelby; Rush; Sullivan; Greene; Monroe; Brown; Bartholomew; Decatur; Knox; Daviess; Martin; Lawrence; Jackson; Jennings

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Heat Advisory — Carroll; Warren; Tippecanoe; Clinton; Howard; Fountain; Montgomery; Boone; Tipton; Hamilton; Madison; Delaware; Randolph; Vermillion; Parke; Putnam; Hendricks; Marion; Hancock; Henry; Vigo; Clay; Owen; Morgan; Johnson; Shelby; Rush; Sullivan; Greene; Monroe; Brown; Bartholomew; Decatur; Knox; Daviess; Martin; Lawrence; Jackson; Jennings Severity: Moderate. Certainty: Likely. * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 105 expected. * WHERE...All of central Indiana * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 8 PM this evening to 9 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorm activity on Saturday may bring an earlier end to the Heat Advisory in some locations.