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: 35.98°NLon: -83.94°WElev: 981ft.

Fair

-1°C

31°F

Humidity 33%
Wind Speed NE 15 km/h
Barometer 1030.4 mb (30.40 in)
Dewpoint -15°C (5°F)
Visibility 16 km
Wind Chill-5°C (23°F)
Last update 13 Feb 3:53 pm EST
Extended Forecast for

Knoxville TN

  • Tonight

    Tonight: Increasing clouds, with a low around -7. North wind 5 to 10 km/h becoming northeast after midnight.

    Increasing
    Clouds

    Low: -7 °C

  • Sunday

    Sunday: A chance of snow before 4pm, then a chance of rain and snow.  Cloudy, with a high near 1. East wind 10 to 15 km/h.  Chance of precipitation is 50%.

    Slight Chance
    Snow then
    Chance
    Rain/Snow

    High: 1 °C

  • Sunday
    Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 7pm.  Low around -1. Northeast wind 5 to 10 km/h becoming southwest after midnight.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 centimeters possible.

    Rain/Snow
    then Snow

    Low: -1 °C

  • Washington's
    Birthday

    Washington's Birthday: Rain, snow, and sleet before 9am, then rain and snow between 9am and 10am, then rain after 10am.  High near 4. Southeast wind 5 to 10 km/h becoming south 10 to 15 km/h in the afternoon.  Chance of precipitation is 100%. New snow and sleet accumulation of less than one centimeter possible.

    Wintry Mix
    then Rain

    High: 4 °C

  • Monday
    Night

    Monday Night: Rain before 1am, then rain and snow likely between 1am and 4am, then a chance of rain after 4am.  Low around 1. Southeast wind 5 to 10 km/h becoming west in the evening.  Chance of precipitation is 90%.

    Rain then
    Rain/Snow

    Low: 1 °C

  • Tuesday

    Tuesday: A 40 percent chance of rain.  Mostly cloudy, with a high near 8.

    Chance Rain

    High: 8 °C

  • Tuesday
    Night

    Tuesday Night: A chance of rain showers before 5am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 1. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    Rain/Snow

    Low: 1 °C

  • Wednesday

    Wednesday: A 30 percent chance of snow showers before 7am.  Partly sunny, with a high near 8.

    Chance Snow
    Showers then
    Partly Sunny

    High: 8 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around -1.

    Partly Cloudy

    Low: -1 °C

Detailed Forecast

Tonight
Increasing clouds, with a low around -7. North wind 5 to 10 km/h becoming northeast after midnight.
Sunday
A chance of snow before 4pm, then a chance of rain and snow. Cloudy, with a high near 1. East wind 10 to 15 km/h. Chance of precipitation is 50%.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around -1. Northeast wind 5 to 10 km/h becoming southwest after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 centimeters possible.
Washington's Birthday
Rain, snow, and sleet before 9am, then rain and snow between 9am and 10am, then rain after 10am. High near 4. Southeast wind 5 to 10 km/h becoming south 10 to 15 km/h in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of less than one centimeter possible.
Monday Night
Rain before 1am, then rain and snow likely between 1am and 4am, then a chance of rain after 4am. Low around 1. Southeast wind 5 to 10 km/h becoming west in the evening. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 8.
Tuesday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 1. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of snow showers before 7am. Partly sunny, with a high near 8.
Wednesday Night
Partly cloudy, with a low around -1.
Thursday
Sunny, with a high near 12.
Thursday Night
Mostly clear, with a low around 2.
Friday
Sunny, with a high near 17.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 7.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 15.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 287 m)
3:36 pm EST Feb 13, 2016
4pm EST Feb 13, 2016-6pm EST Feb 20, 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