Multiple rounds of severe storms to hit Iowa today. Flash flooding, tornadoes possible

Multiple rounds of storms will spread across Iowa on Tuesday, bringing repeated chances for severe weather to the Hawkeye State. One round of thunderstorms already passed through central Iowa in the early morning hours, with rain continuing to fall. What is Tuesday's severe weather outlook in Des Moines? The National Weather Service upgraded the risk of severe weather for most of Iowa. A majority of the state it rated "moderate" risk, a level 4 on a scale of 1-5. Multiple rounds of storms are expected to continue through the morning....