 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. Lows level off around 64. Overnight, under overcast skies, winds out of the northwest at around 5 miles an hour. Cloudy skies expected again Tuesday. High temperatures reach up to 83. Tuesday night, lows level off around 66. Right now, it's 70 degrees.