Thunderstorms swept across the Des Moines metro on Friday with flash flood warnings, tornado watches at the Iowa Speedway. See the highest rainfall totals.

More storms delivered damaging wind, power outages, and heavy rain to Iowa overnight. Here's a look at how much rain fell as of Friday morning: Altoona: 2.26 Ankeny: 2.16 Des Moines Airport: 1.78 Atlantic: 1.76 Dallas Center: 1.76 Waukee: 1.72 Norwalk: 1.71 Adel: 1.68

The National Weather Service released a preliminary report on the storm in western Davenport on Friday. Meteorologists surveyed the area Saturday. A preliminary report determined an EF-2 rated tornado with estimated winds of at least 111 mph.

Chad Hahn, warning coordination meteorologist at the National Weather Service, also confirmed a tornado did not touch down in Newton or Jasper County. He said there was a strong rotating wall cloud on the storm, which along with the rotation identified on radar prompted the tornado warning.

Even more storms marched through Iowa Friday, resulting in flash flooding and multiple tornado warnings. This followed a previous round of heavy rain overnight Thursday into Friday morning. NOTE: These don't include rain that fell before approximately 7 a.m. Friday.

Rounds of storms will move through eastern Iowa to end the week and some could be strong. A front will be the focus for rain Thursday and Friday and could lead

After an afternoon filled with tornado sirens, lightning strikes, torrential rain and visible cloud rotation near Iowa Speedway, IndyCar canceled Friday afternoon practice.