The National Weather Service has issued a hazardous weather advisory for more snow and bitter cold temperatures this weekend.

Accumulating snows are possible Thursday, Saturday and Saturday night and Tuesday.Gusty, possibly advisory level, northwest winds are likely in the wake of these two systems Thursday night and Friday and then Sunday into Monday.Wind chill values may fall to 10 to 20 below zero for Thursday night into Friday morning and even lower on Sunday and Monday mornings.Here's the forecast:Today: Mostly sunny, with a high near 31. North wind 5 to 7 mph becoming light and variable in the afternoon.Tonight: A slight chance of snow showers after 2 a.m. Mostly cloudy, with a low around 21. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20 percent.Thursday: A chance of snow showers. Mostly cloudy, with a high near 33. Light and variable wind becoming northwest 11 to 16 mph in the morning. Chance of precipitation is 50 percent. New snow accumulation of less than 1 inch possible.Thursday night: Scattered snow showers before 9 p.m. Mostly cloudy, with a low around 4. Wind chill values as low as minus 9. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30 percent. New snow accumulation of less than a half inch possible.Friday: Partly sunny, with a high near 16. Blustery, with a northwest wind 14 to 21 mph.Friday night: Mostly cloudy, with a low around 3.Saturday: A chance of snow after 8 a.m. Cloudy, with a high near 25. Chance of precipitation is 40 percent.Saturday night: A chance of snow. Cloudy, with a low around 5. Chance of precipitation is 40 percent.Sunday: A chance of snow. Partly sunny and cold, with a high near 10. Blustery. Chance of precipitation is 40 percent.Sunday night: Partly cloudy, with a low around minus 3.Washington's Birthday: Mostly sunny, with a high near 16.Monday night: Partly cloudy, with a low around 5.Tuesday: A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 50 percent.For up-to-date forecasts, check tnonline.com.