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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 72%
Wind Speed W 7 km/h
Barometer 1011.8 mb (29.92 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 21 Jul 9:53 pm EDT
Extended Forecast for

2 Miles ESE Farragut TN

Flood Watch July 22, 12:00am until July 22, 08:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 24. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 24 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 29. Southwest wind 10 to 15 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 29 °C

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 20. North wind 5 to 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 20 °C

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 28. Northeast wind around 10 km/h. Chance of precipitation is 30%.

    High: 28 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 50%.

    High: 29 °C

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%.

    Low: 22 °C

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °C

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 24. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 29. Southwest wind 10 to 15 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday Night
Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 20. North wind 5 to 10 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 28. Northeast wind around 10 km/h. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 21. Calm wind.
Friday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 23.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 32.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Farragut TN
 35.86°N 84.15°W (Elev. 814 m)
Last Update:
9:26 pm EDT Jul 21, 2026
Forecast Valid:
10pm EDT Jul 21, 2026-6pm EDT Jul 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation