Tornado Warning Issued for Story County

Update 7:15 p.m.:

The National Weather Service in Des Moines has issued a tornado warning for Northern Polk County and South Central Story County until 7:45 p.m.

At 7:06 p.m., a thunderstorm capable of producing a tornado was located near Polk City, moving northeast at 25 MPH. There was also a threat of quarter-size hail.

Ankeny, Huxley, Alleman, Elkhart and Cambridge were within the warning zone, including Interstate 35 between mile markers 93 and 109.

Original story:

A thunderstorm watch has been issued for 39 counties in Iowa a day after severe weather caused power outages and damages around the state.

The watch lasts until 1 a.m.

Counties included in the watch are: Appanoose, Benton, Black Hawk, Boone, Bremer, Butler, Clarke, Dallas, Davis, Decatur, Des Moines, Grundy, Hardin, Henry, Iowa, Jasper, Jefferson, Johnson, Keokuk, Lee, Linn, Louisa, Lucas, Madison, Mahaska, Marion, Marshall, Monroe, Polk, Poweshiek, Ringgold, Story, Tama, Union, Van Buren, Wapello, Warren, Washington, Wayne.