EDT the National Weather Service issued an updated tornado watch in effect until Friday at 3 a.m. EDT for Calhoun, Clare, Clinton, Eaton, Gratiot, Ingham, Isabella and Jackson counties.

"Storms may initially form as individual supercells that would pose a higher risk for strong tornadoes (EF2+) and very large hail (up to baseball size)," the bulletin reads. "The storms would likely form into a single line of storms posing a higher risk for hurricane force winds and tornadoes."