Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

86°F

30°C

Humidity 59%
Wind Speed SW 16 mph
Barometer 30.06 in (1016.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 27 Jun 11:53 am EDT
Extended Forecast for

4 Miles NNW Tallassee TN

Flood Watch June 27, 08:00pm until June 28, 11:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could produce heavy rainfall.  Low around 70. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 70 °F

    T-storms then
    Heavy Rain

  • Sunday

    Sunday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall.  High near 85. West wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could produce heavy rainfall. Low around 70. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. High near 85. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.
Monday
A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Calm wind.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Tallassee TN
 35.6°N 83.98°W (Elev. 1480 ft)
9:46 am EDT Jun 27, 2026
12pm EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
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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