Sunday brings more clouds and a few isolated showers. The air is very dry, so rain will be minimal. Basically just isolated showers or a few sprinkles. Temperatures will still be mild reaching the mid-60s.
Light rain is possible late in the day on Monday, with a better chance for rain in Central Iowa. It will not be a lot of rain. Most locations will see .10" of rain or less. Temperatures will be slightly cooler, but not by much.
After more sunshine on Tuesday, a big warmup arrives for Wednesday, with strong winds pushing highs into the 70s.