Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Flooding and Severe Weather Risk Continues This Weekend

More heavy rain will exacerbate flooding in the central and southern U.S. this weekend. In addition, over portions of the Mississippi, Ohio, and Tennessee Valleys, severe thunderstorms are expected. Some storms may produce large hail, damaging winds, and tornadoes. Meanwhile, snow and ice will again affect the Cascades, northern Rockies, upper Midwest, and New England through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

66°F

19°C

Humidity 78%
Wind Speed SW 3 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Feb 7:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 5am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Showers
    Likely

    Low: 61 °F

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm.  High near 62. West wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Showers then
    Showers
    Likely

    High: 62 °F

  • Sunday
    Night

    Sunday Night: Showers likely after 8pm.  Cloudy, with a low around 49. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely

    Low: 49 °F

  • Monday

    Monday: Showers likely, mainly before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 62. North wind around 5 mph.  Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    Showers

    High: 62 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 39. East wind around 5 mph.

    Clear

    Low: 39 °F

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    Sunny

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers after 8pm.  Mostly cloudy, with a low around 47.

    Chance
    Showers

    Low: 47 °F

  • Wednesday

    Wednesday: Showers, mainly after 8am.  High near 61. Chance of precipitation is 80%.

    Showers

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: Showers.  Low around 53. Chance of precipitation is 90%.

    Showers

    Low: 53 °F

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 11pm and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm. High near 62. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely after 8pm. Cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 62. North wind around 5 mph. Chance of precipitation is 60%.
Monday Night
Clear, with a low around 39. East wind around 5 mph.
Tuesday
Sunny, with a high near 64.
Tuesday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 47.
Wednesday
Showers, mainly after 8am. High near 61. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 53. Chance of precipitation is 90%.
Thursday
Showers, with thunderstorms also possible after 8am. High near 64. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms. Low around 44. Chance of precipitation is 90%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
3:56 pm EST Feb 24, 2018
8pm EST Feb 24, 2018-6pm EST Mar 3, 2018
 
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