Based on the weather in St. Clair, Michigan, United States Of America as of May 1, 2016 12:12am local time

Why? Because it's pretty chilly.
Current Conditions
Light Rain
Temp: 46.4°F8°C
Wind: 10.1 MPH16.2 KPH
Precipitation: 100% rain

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes