 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. Chance of thunderstorms this afternoon. Otherwise, mainly cloudy skies expected. Daytime highs approaching 85. Northwest winds 5 to 10 miles an hour. Mainly cloudy skies again tonight. Chance of thunderstorms. Lows level off around 63. Currently, it's 82 degrees.