Based on the weather in Bloomington, Illinois, United States Of America as of October 27, 2016 5:42am local time

Why? Because it's cold. simple as that.
Current Conditions
Temp: 46.4°F8°C
Wind: 10.7 MPH17.2 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes