(Regional News) – Storms that formed in parts of western Iowa early Sunday afternoon moved east with strong winds and incredibly large hail. The warnings began to pop for Crawford, Carroll, Greene and Story Counties at around 1-p.m., Sunday. Photos show power lines down in the Story County town of Collins at around 3:45-p.m. Tennis ball size hail was observed in Grinnell, and parts of Marshall County.

A semi-truck driver was hurt after strong winds blew their truck over on Interstate 80 westbound east of Grinnell Sunday. The Iowa State Patrol said the semi-truck toppled over at 5:05 p.m. The semi-truck was upright a couple of hours later, but it did cause traffic backups on I-80. State Patrol said the driver had minor injuries.

A second set of storms formed in southwest Iowa at around 4:30-p.m., and spread to the northeast, bringing large hail and reports of a tornado eight-miles west/northwest of Hamburg a little after 8-p.m. Hail the size of tennis balls reported near Bridgewater damaged the siding on homes.

Marshall County S/O

Collins in Story County

Quarter-to half-dollar size hail fell fell elsewhere in southwest Iowa. See a timeline of storm reports and related damage, relayed by the National Weather Service, on the kjan.com Weather page.

Grinnell (Photo via Ed Wilson,, WHO-TV)