 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. Cloudy today with a high of 81. Northerly winds at around 5 miles an hour. Partly cloudy tonight, lows around 65. Chance for storms tomorrow. High temperatures reach up to 86. Sunshine mixed with clouds at times.