Severe Storms Threaten the Midwest: Tornadoes and Large Hail Expected

A widespread severe thunderstorm outbreak is unfolding across nine states from the southern Plains into the Upper Mississippi Valley today, Friday April 17, 2026, with the Storm Prediction Center flagging the threat of strong tornadoes, very large hail, and damaging winds through tonight. The SPC has upgraded the southern and central Plains to a Moderate Risk, the second-highest category on the severe weather scale and a designation issued only a handful of times per year. A Tornado Watch is already active across much of eastern Iowa, with a separate Severe Thunderstorm Watch covering eastern Minnesota and central-to-northern Wisconsin including Rocheste …