Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

83°F

28°C

Humidity 53%
Wind Speed NW 3 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 1:53 pm EDT
Extended Forecast for

6 Miles S Townsend TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. West wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers.  Low around 68. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 80. South wind around 5 mph becoming west in the afternoon.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Partly cloudy, with a low around 65. West wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the morning.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. West wind around 5 mph.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 68. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 80. South wind around 5 mph becoming west in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 60.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Monday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Townsend TN
 35.59°N 83.76°W (Elev. 2802 ft)
2:26 pm EDT Aug 20, 2026
3pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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