On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Heat continues across parts of central, eastern U.S.

Higher-than-normal temperatures will continue across parts of the central and eastern U.S. on Thursday with afternoon highs reaching 20-25 degrees above normal for some locations. One of the warmest areas will be the northern Plains, where high temperatures could reach 100 degrees. Remember to limit time spent outside during excessive heat and take proper precautions to avoid heat-related illness.
Read More...

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

89°F

32°C

Humidity 41%
Wind Speed E 10 G 17 mph
Barometer 29.99 in (1014.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Sep 2:53 pm EDT

Detailed Forecast

Tonight
Partly cloudy. A 20 percent chance of showers until early morning. Lows in the upper 50s and 60s. Light winds.
Friday
Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to upper 80s. Light winds.
Friday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening...then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s and 60s. Southeast winds 10 mph or less. Chance of rain 30 percent.
Saturday
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 70s to mid 80s. East winds 10 mph or less.
Saturday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening...then a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s to mid 60s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
Sunday
Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the 70s to lower 80s.
Sunday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 50s to mid 60s.
Labor Day
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 70s to mid 80s.
Monday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 50s to mid 60s.
Tuesday
Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the mid 70s to mid 80s.
Tuesday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 50s to mid 60s.
Wednesday
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 70s to mid 80s.
Wednesday Night
Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 50s to mid 60s.
Thursday
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the 70s to lower 80s.



  Click Map For Detailed Forecast
306 PM EDT THU SEP 3 2015
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database