Based on the weather in Brookhaven, Mississippi, United States Of America as of February 8, 2016 6:12am local time

Why? Because it's cold. simple as that.
Current Conditions
Temp: 39.2°F4°C
Wind: 7.3 MPH11.7 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes