Heat Will Continue in the Mid-Atlantic and Southeast

A very hot and humid airmass will persist over portions of the mid-Atlantic and southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. In the central and northern Plains, strong to severe thunderstorms are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

28°C

83°F

Humidity 67%
Wind Speed Vrbl 6 km/h
Barometer 1016.8 mb (30.07 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index31°C (88°F)
Last update 26 Jul 9:53 am EDT
Extended Forecast for

Knoxville TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny and hot, with a high near 35. Calm wind.

    Chance
    T-storms

    High: 35 °C

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 3am.  Mostly cloudy, with a low around 23. Calm wind.

    Chance
    T-storms

    Low: 23 °C

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny and hot, with a high near 34. Heat index values as high as 37. Southwest wind 10 to 15 km/h.

    Chance
    T-storms

    High: 34 °C

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 3am.  Mostly cloudy, with a low around 23. South wind 5 to 10 km/h becoming calm  after midnight.

    Chance
    T-storms

    Low: 23 °C

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Partly sunny and hot, with a high near 32. Southwest wind 10 to 15 km/h.

    Chance
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly before 9pm.  Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 22 °C

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 31.

    Chance
    T-storms

    High: 31 °C

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 22.

    Chance
    T-storms

    Low: 22 °C

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 31.

    Chance
    T-storms

    High: 31 °C

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny and hot, with a high near 35. Calm wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 23. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 34. Heat index values as high as 37. Southwest wind 10 to 15 km/h.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 23. South wind 5 to 10 km/h becoming calm after midnight.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny and hot, with a high near 32. Southwest wind 10 to 15 km/h.
Thursday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 32.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 287 m)
3:22 am EDT Jul 26, 2016
10am EDT Jul 26, 2016-6pm EDT Aug 1, 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