National Weather Service United States Department of Commerce

Severe storms will develop in far northwest Iowa late tonight, moving across Iowa through the overnight hours. Storms will exit in southeast Iowa on Saturday morning. Make sure you have multiple ways to receive warnings!
After a break in the middle of the day, a second round of storms is possible Saturday evening and overnight into Sunday. Monitor the forecast for updates, as each day is highly dependent on how prior storms evolved.
Heavy rain is possible with thunderstorms throughout the weekend. The areas most vulnerable to flooding are locations that receive repeated rounds of thunderstorms days in a row and in town where drainage is slower.