 Now, from your 24-hour weather station, here's Southern Iowa's most accurate forecast on a tumble radio. I'm meteorologist Megan Mulford with a look at your forecast. A heat advisory begins at 1 p.m. tomorrow afternoon. Dave Ramsey here. Tune in weekdays at 9 for the Dave Ramsey Show on 1240 a.m. and 102.7 fm. KBIZ, a tumble.