At least one person is killed and 28 others are injured when a tornado causes the roof of a theater in Belvidere, Illinois, to collapse during a concert. (WIFR-TV) The Storm Prediction Center issues a high risk convective outlook, the first high risk issued in over 2 years, ahead of an expected severe weather outbreak across the Mississippi River valley in the United States. (Storm Prediction Center)Tornado outbreak of March 31, 2023 link embed save