Update 7:08 p.m.
Tennessee Department of Transportation said maintenance crews will be treating East Tennessee roadways until at least 8:00 Sunday morning due to possible winter weather.
TDOT said maintence crews will alternate, so workers can get some rest.
Road conditions could worsen overnight, and many counties could see even slipperier roadways in the morning.
All TDOT maintenance crews were in and out on the roadways Saturday treating for icy and snowy conditions.
In Campbell, Claiborne, Scott, Union and Anderson counties, TDOT officials said there are several slick patches on the roads. All these areas are reporting snow, but in general the roadways are clear.
According to Fentress County dispatch, snow is sticking to roads in several areas, and there have been reports of some slick spots. Dispatch said there is reports of one to two inches of snow. TDOT officials said roads in Morgan County are slick as well.
Crew are also treating roads for slick conditions in Cocke, Jefferson and Greene counties.
TDOT is in the process of treating I-40, I-140, I-275 and I-640. Officials said I-75 N. is very slick and several accidents have been reported. Crews are out treating Knox, Blount, Sevier, Loudon, Monroe, Morgan and Roane counties.
A fast dose of snow Saturday morning caught many drivers by surprise and caused slippery travel conditions in parts of East Tennessee.
Dispatchers in Roane County reported more than 50 wrecks during the morning hours. They said treated roads were looking better just after noon, but urged drivers to use caution while TDOT crews continued to salt.
A crash involving multiple vehicles on I-75 southbound at Mile Marker 116 had been cleared Saturday afternoon.
In Anderson County, authorities said there had been around 10 non-injury accidents but no major emergencies.
Some 10News viewers and TDOT reported patches of snow and ice in Monroe County.
North Knoxville also saw a quick band of snow that accumulated on roads and lawns. North Broadway was mainly wet, but side streets were still covered in snow at 11:30 a.m.
Stay with 10News and the 10Weather team throughout the day for updates!