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.

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.9932° N Lon: 83.9371° W Elev: 981 ft.




Humidity 72%
Wind Speed W 10 mph
Barometer 30.19 in (1023.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Feb 6:53 pm EST
Detailed forecast for

Knox County

Cloudy. Scattered flurries in the evening. Lows around 18. Northwest winds 10 to 15 mph.
Mostly sunny. Highs in the upper 20s to lower 30s. Northwest winds 5 to 15 mph.
Saturday Night
Partly cloudy. Lows 12 to 15. Light winds.
Becoming mostly cloudy. A 30 percent chance of rain and snow late. Highs in the lower to mid 30s. Light winds becoming south 10 mph or less in the afternoon.
Sunday Night
Cloudy. Snow likely or a chance of rain or light sleet in the evening...then snow or light sleet likely after midnight. Not as cold. Light snow accumulation possible. Lows in the upper 20s. Southwest winds 10 mph or less. Chance of precipitation 70 percent.
Washingtons Birthday
Rain or light sleet and a chance of freezing rain. Light snow accumulation possible. Highs in the upper 30s. Chance of precipitation 80 percent.
Monday Night
Rain or snow. Near steady temperature in the mid 30s. Chance of precipitation 80 percent.
Mostly cloudy with a 50 percent chance of rain or snow. Highs in the lower 40s.
Tuesday Night
Mostly cloudy with a 30 percent chance of rain showers or snow showers. Lows around 30.
Partly sunny. Highs in the mid to upper 40s.
Wednesday Night
Partly cloudy. Lows in the upper 20s.
Mostly sunny. Highs in the lower to mid 50s.
Thursday Night
Partly cloudy. Lows in the lower to mid 30s.
Sunny. Highs around 60.

Click Map For Forecast
346 PM EST FRI FEB 12 2016
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database