A slight risk originally focused on western Iowa today has no only expanded but intensified for portions of the state. As you can see in the graphic to the left, the Storm Prediction Center has posted a moderate risk for severe weather that covers much of western Iowa. A slight risk also covers the majority of Iowa.
At this time, multiple areas of severe thunderstorms are expected to develop, beginning to our west and north. This initial develop is where the greatest concern for strong tornadoes exists today. Some of this development could trickle into extreme western Iowa.
The severe risk could last for several hours tonight into the evening and overnight hours. Eventually, the primary threat should begin to shift to large hail and strong damaging winds.
We will continue to monitor the latest developments throughout the morning and afternoon and pass along any updates to you. Storm chaser Ben McMillan is preparing to chase these storms today, if available we hope to add his live video stream to our coverage later this afternoon and evening.