Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.68°NLon: -83.53°WElev: 981ft.

Overcast

31°F

-1°C

Humidity 64%
Wind Speed Calm
Barometer 30.15 in (1021.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 3:53 am EST
Extended Forecast for

4 Miles SW Gatlinburg TN

Winter Weather Advisory February 12, 06:00am until February 13, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 23. North wind around 5 mph.

    Slight Chance
    Snow

    Low: 23 °F

  • Friday

    Friday: Snow likely before 2pm, then a chance of rain and snow.  Cloudy, with a high near 41. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely
    then Chance
    Rain/Snow

    High: 41 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Chance Snow
    Showers

    Low: 20 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 23. North wind 5 to 10 mph.

    Mostly Sunny

    High: 23 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 11. North wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 11 °F

  • Sunday

    Sunday: Cloudy, with a high near 27.

    Cloudy

    High: 27 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of snow showers.  Cloudy, with a low around 25.

    Chance Snow
    Showers

    Low: 25 °F

  • Washington's
    Birthday

    Washington's Birthday: Snow showers likely before 4pm, then rain showers likely between 4pm and 5pm, then rain and snow showers likely after 5pm.  Cloudy, with a high near 38. Chance of precipitation is 70%.

    Snow Showers
    Likely then
    Rain/Snow
    Likely

    High: 38 °F

  • Monday
    Night

    Monday Night: Snow showers.  Low around 33. Chance of precipitation is 90%.

    Snow Showers

    Low: 33 °F

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 23. North wind around 5 mph.
Friday
Snow likely before 2pm, then a chance of rain and snow. Cloudy, with a high near 41. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 23. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 11. North wind around 5 mph becoming calm in the evening.
Sunday
Cloudy, with a high near 27.
Sunday Night
A 40 percent chance of snow showers. Cloudy, with a low around 25.
Washington's Birthday
Snow showers likely before 4pm, then rain showers likely between 4pm and 5pm, then rain and snow showers likely after 5pm. Cloudy, with a high near 38. Chance of precipitation is 70%.
Monday Night
Snow showers. Low around 33. Chance of precipitation is 90%.
Tuesday
Snow showers likely before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 51.
Click Map For Forecast
Point Forecast:
4 Miles SW Gatlinburg TN
 35.68°N 83.53°W (Elev. 1690 ft)
4:16 am EST Feb 12, 2016
4am EST Feb 12, 2016-6pm EST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database