The Storm Prediction Center has issued a TORNADO Watch effective until Midnight for the following counties, Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago, Worth, Chickasaw, Floyd, Howard, Mitchell, Winneshiek, Clay, Dickinson, Lyon, O’Brien, Osceola and Sioux.

Thunderstorms will develop across the northern parts of Iowa and adjacent southern Minnesota later this afternoon and tonight. Along with the threat of tornadoes, large hail and damaging straight line winds will be threats as well with the storms. Also, some heavy rain is possible as well, with possible flash flooding in areas that received a lot of rain earlier in the week.