Heat indexes expected to reach 105 Tuesday and Wednesday

Monday, August 2, 2010 | 5:38 p.m. CDT; updated 7:55 p.m. CDT, Monday, August 2, 2010

COLUMBIA — The National Weather Service in St. Louis has issued a heat advisory for the Columbia area for Tuesday and Wednesday. The service issues heat advisories when afternoon heat indexes are expected to be 105 or higher.