Detroit, Michigan – Southeast Michigan residents should secure outdoor objects and prepare before Wednesday afternoon as thunderstorms capable of 60 mph wind gusts and hail up to 1 inch could develop, with the primary threat concentrated from 4 to 10 p.m.
According to the National Weather Service Detroit/Pontiac office, the Level 2 of 5 Slight Risk has expanded to include areas south of Interstate 96, while a Level 1 Marginal Risk covers areas farther north. Storms could begin as early as 2 p.m. and should end by midnight.
Detroit, Ann Arbor, Monroe, Adrian and communities near the Ohio border sit within the higher-risk zone. Isolated strong to severe storms are possible as a cold front moves through Wednesday afternoon and evening.
Damaging winds and hail are the main concerns, while the NWS also indicates an isolated tornado threat and localized flash flooding potential. Storms are expected to move west to east at roughly 35 mph.
Drivers on I-75, I-94, I-96 and other southeast Michigan routes should prepare for abrupt downpours and reduced visibility. Residents should charge phones, secure loose outdoor items and keep multiple warning methods available before 4 p.m.
The most likely severe weather window ends around 10 p.m., though storms could persist until midnight and localized warnings may be issued.
