The Storm Prediction Center has issued a Severe Thunderstorm Watch in effect until 8pm for the following counties in Iowa, Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby, Boone, Dallas, Grundy, Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tama, Webster, Butler, Franklin, Humboldt, Wright, Black Hawk, Bremer, Pocahontas, Appanoose, Clarke, Decatur, Lucas, Madison, Mahaska, Marion, Monroe, Ringgold, Union, Warren, Wayne, Davis, Wapello, Adair, Adams, Cass, Taylor, Audubon, Calhoun, Carroll, Crawford, Greene, Guthrie and Sac. Storms continue to fire along the cold front and are moving into the watch area.