Yes

Based on the weather in Idaho Falls Regional Airport, 2140 North Skyline Drive, Idaho Falls, ID 83402, USA as of October 17, 2017 3:39am local time

Why? Because it's frickin' FREEZING out there!
Current Conditions
Clear
Temp: 30.2°F-1°C
Wind: 1.7 MPH2.7 KPH
Precipitation: None