A Severe Thunderstorm Watch has been issued until 1am. This watch includes the following counties, Harrison, Monona, Shelby, Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon, O’Brien, Osceola, Plymouth, Sioux, Woodbury, Audubon, Calhoun, Carroll, Crawford, Emmet, Greene, Guthrie, Palo Alto, Pocahontas and Sac. Storms are developing in eastern Nebraska and are expected to move into the state later this evening. Large hail, damaging winds and an isolated tornado are possible.