TULSA, Oklahoma - It's been cold this week in Green Country, but the coldest days of the season are quickly approaching.

According to News On 6 Meteorologist Dick Faurot, the coldest conditions will be during the day Wednesday and into Thursday.

Read Dick Faurot's Weather Blog

Not only will the temperature be cold, but wind sweeping down the plain will play a big part in making it feel even colder outside. In fact, the National Weather Service in Tulsa has issued a wind chill advisory from 3 a.m. to 10 a.m. both Wednesday and Thursday.

Counties included in the advisory include: Craig, Creek, Mayes, Muskogee, Okmulgee Osage, Rogers, Tulsa, Wagoner and Washington.

The NWS says wind chills are expected to be as low as five degrees below zero, Wednesday morning, and even colder Thursday morning at 15 degrees below zero.

According to the NWS frost bite and hypothermia are possible and taking precaution is advised.

1/6/2014 Related Story: TPS Doesn't Expect Drop In Temperature To Close Schools

Tulsa Public Schools said it doesn't expect to close due to the cold, so students heading to school should take extra precautions Wednesday and Thursday morning.