Isolated Severe Thunderstorms and Flooding Potential in the Central U.S.

Isolated strong to severe thunderstorms are possible across parts of the southern and central Plains through Saturday. Large hail and severe wind gusts are the main threats. Heavy rainfall is forecast from the western Gulf Coast into the Midwest from this weekend into early next week. New and renewed river rises are possible across portions of eastern Texas. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

47°F

8°C

Humidity 90%
Wind Speed Calm
Barometer 30.24 in (1023.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 May 3:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Mostly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.

    Mostly Sunny

    High: 70 °F

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind around 5 mph becoming calm.

    Mostly Clear

    Low: 46 °F

  • Saturday

    Saturday: Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.

    Sunny

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.

    Mostly Cloudy

    Low: 55 °F

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly cloudy, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.

    Slight Chance
    Showers

    High: 75 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 56. South wind around 5 mph.

    Slight Chance
    Showers

    Low: 56 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 79 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 8pm.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 60 °F

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 76 °F

Detailed Forecast

Today
Mostly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 46. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56. South wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
3:06 am EDT May 14, 2021
4am EDT May 14, 2021-6pm EDT May 20, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database