Key keywords: Iowa severe weather, 2024 Iowa thunderstorm outbreak, Iowa tornado risk, Iowa flash flood warning, central Iowa weather forecast, eastern Iowa storm alert, National Weather Service Des Moines, Iowa severe weather preparedness The National Weather Service (NWS) Des Moines office has issued a series of layered weather alerts across Iowa as a fast-moving, unstable storm system pushes into the Midwest from the Great Plains, bringing a renewed severe weather threat for both Tuesday (today) and Wednesday (tomorrow) that impacts nearly 90% of the state’s 3.2 million residents. For today, the highest risk zone stretches across central and southern Iowa, covering major population hubs including the Des Moines metro, Ames, Iowa City, and Burlington. The NWS has rated this area a Level 3 out of 5 on the severe weather risk scale, meaning widespread damaging wind gusts up to 70 mph, large hail the size of golf balls, and multiple possible tornadoes are expected to develop as storms fire up between 2 p.m. and 10 p.m. local time. Heavy rainfall rates of 1 to 2 inches per hour are also in the forecast, leading to an elevated flash flood risk for low-lying neighborhoods, poorly drained rural roadways, and small streams that are already running high from last week’s record rainfall across much of southern Iowa. Local emergency management agencies are urging residents to clear storm drains near their properties, avoid driving through flooded roadways even if the water looks shallow, and have multiple redundant ways to receive weather alerts, including a NOAA weather radio and enabled smartphone emergency notifications. For tomorrow, the severe weather threat shifts eastward, covering all of eastern Iowa and bordering parts of western Illinois, including the Quad Cities, Dubuque, and Cedar Rapids. While the overall risk is slightly lower at Level 2 out of 5, forecasters warn that isolated strong tornadoes, 60 mph damaging winds, and heavy accumulative rain are still possible as the storm system slowly tracks across the state. The NWS notes that any storm that develops on Wednesday could rapidly intensify due to unseasonably warm and humid air in place across eastern Iowa, with high temperatures expected to reach the mid-80s, 10 to 15 degrees above the late May average for the region. State officials have activated the Iowa Emergency Operations Center at a partial staffing level to coordinate with local first responders if widespread damage or power outages occur. Several school districts across central Iowa have already announced early dismissal schedules for today to avoid having students on buses during the peak storm window, and dozens of outdoor events including farmers markets, high school sports playoffs, and community spring festivals have been canceled or rescheduled. Residents are also advised to review their home emergency kits, which should include at least three days of non-perishable food, bottled water, a first aid kit, flashlight, and extra batteries, and to identify a safe interior room in their home without windows to take shelter if a tornado warning is issued for their area. As of press time, over 12,000 Iowa households are already under pre-emptive power outage alerts from utility companies, who have positioned repair crews across high-risk zones to respond quickly to any downed power lines or damaged infrastructure.