 Now, from your 24-hour weather station, here's Southern Iowa's most accurate forecast on Atomwa Radio. I'm meteorologist Megan Mulford with a look at your forecast. A heat advisory begins at 1 p.m. tomorrow afternoon, remains in effect until 8 p.m. tomorrow night. Lows around 76 tonight, under partly cloudy skies, southerly winds 8 to 15 miles an hour. Tomorrow, 96. Currently, 81.