Energy prices are rising as US peace talks with Iran appear to have stalled, with the key Strait of Hormuz waterway still effectively closed.
Constant spring rainfall and melting ice have flooded the state's Black Lake and surrounding neighbourhoods.
At the annual 'Great Marshmallow Drop', more than 15,000 fluffy treats fell from a helicopter as kids raced to collect them.
Prior to the attack, the suspect searched online for pro-Hezbollah news channels and for large gatherings of Israelis in Michigan, the FBI said on Monday.
Timelapse video shows rescuers cautiously manoeuvre a vessel in blizzard conditions to the edge of the ice near Mackinac Island, Michigan.
US officials previously said the man accused of ramming a truck full of explosives into a synagogue had recently lost family in Lebanon.
The FBI said the suspect had large quantities of fireworks and petrol in his vehicle when it caught fire after ramming a synagogue on Thursday.
Temple Israel Rabbi Jennifer Lader speaks to the BBC's Helena Humphrey about the synagogue attack the FBI says was a "targeted act of violence against the Jewish community".
The FBI says the incident is being investigated as a "targeted act of violence against the Jewish community".