 Now, from your 24-hour weather station, here's Southern Iowa's most accurate forecast on Ottumwa Radio. I'm meteorologist Megan Mulford with a look at your forecast. 84 this afternoon, under partly cloudy skies, west winds 5 to 10 miles an hour. Slight chance of thunderstorms. Tonight, lows dip down to about 65. Cloudy skies expected. Slight chance for storms. Tomorrow, high of 86. Currently, it's 81 degrees.