 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. Sunshine mixed with clouds at times this afternoon with a high of 84. Easterly winds 5 to 10 miles an hour. Lows dip down to about 63 tonight, mainly clear. Sunshine mixed with clouds at times tomorrow. High temperatures reach up to 87. Currently, 80.