 Now, from your 24-hour weather station, here's Southern Iowa's most accurate forecast on Atomo Radio. I'm meteorologist Megan Mulford with a look at your forecast. 66 overnight under cloudy skies. Winds out of the southeast 10 to 15 miles an hour. Cloudy skies expected again Tuesday. Chance of thunderstorms. Highs level off around 88. Lows level off around 69 Tuesday night. Storms likely. Currently, it's 69 degrees.