 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 and continues until 8 p.m. tomorrow night. 75 tonight, under clear skies, winds out of the southwest 5 to 10 miles an hour. 97 tomorrow, slight chance for storms. Currently 85.