Dangerous Surf and Rip Currents Along East Coast Beaches; Hazardous Heat in the West

Tropical storm conditions, storm surge flooding and coastal flooding will continue into Thursday across the Outer Banks and into portions of the Mid-Atlantic coastline. Life-threatening rip currents and high surf will continue to impact much of the Atlantic shoreline through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

73°F

23°C

Humidity 84%
Wind Speed Calm
Barometer 29.88 in (1010.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 21 Aug 3:53 am EDT
Extended Forecast for

4 Miles NNE Louisville TN

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 86. North wind around 5 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 70. North wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 85. Calm wind.  Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. Calm wind becoming west around 5 mph.

    High: 83 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 70. North wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. Calm wind. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Louisville TN
 35.87°N 84.01°W (Elev. 994 ft)
1:36 am EDT Aug 21, 2025
4am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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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