The National Weather Service in Morristown has issued a wind chill advisory for Wednesday night and Thursday, with the wind chill forecast at five below zero to 15 below in parts of East Tennessee and southwest Virginia.
The wind chill advisory is in effect until 1 a.m. Friday, and it applies to Anderson, Campbell, Morgan, Scott, and Union counties. It includes Clinton, Oak Ridge, LaFollette, Maynardville, Oneida, and Wartburg.
There is also a winter storm watch in effect from Friday afternoon to Saturday afternoon, bringing a threat of wintry precipitation.
The winter weather advisory that was in effect for Wednesday has expired.
The National Weather Service said the wind chill will be created by bitter cold arctic air combining with northwest winds.
“Dangerously low wind chills can result in frostbite, hypothermia, and even death if precautions are not taken,” the NWS said.
The forecast near Oak Ridge calls for a 20 percent chance of snow showers before 2 a.m. The low is forecast at around 7, with a northwest wind of 10 to 15 mph, with gusts as high as 20 mph, and wind chill values between -3 and 2.
Thursday is expected to be mostly sunny and cold, with a high near 16, a west wind around 10 mph, and wind chill values between -4 and 4.
The low on Thursday night is forecast at around 9, with wind chill values between 2 and 7.
There is a 30 percent chance of snow after 2 p.m. Friday, with a high near 30 and wind chill values between 2 and 12.
Snow is possible on Friday night, mainly after 8 p.m. The low on Friday night is forecast at around 28.
The forecast calls for snow on Saturday before 10 a.m., then rain and snow between 10 a.m. and noon, then rain after noon, with a high near 45, the first above-freezing temperature in days.