Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

89°F

32°C

Humidity 52%
Wind Speed SW 13 mph
Barometer 29.99 in (1014.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 21 Jul 4:53 pm EDT
Extended Forecast for

Louisville TN

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 85. Southwest wind around 10 mph.

    Chance
    T-storms

    High: 85 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    T-storms and
    Patchy Fog

    Low: 72 °F

  • Monday

    Monday: Showers and thunderstorms, mainly after 1pm.  Patchy fog before 10am. High near 83. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms and
    Patchy Fog
    then T-storms

    High: 83 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm, mainly after 8pm.  Low around 67. Southwest wind 5 to 10 mph.  Chance of precipitation is 90%.

    T-storms then
    Showers

    Low: 67 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 3pm.  Mostly cloudy, with a high near 78. North wind 5 to 10 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 59.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Wednesday
    Night

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

    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 85. Southwest wind around 10 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 30%.
Monday
Showers and thunderstorms, mainly after 1pm. Patchy fog before 10am. High near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm, mainly after 8pm. Low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 3pm. Mostly cloudy, with a high near 78. North wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Louisville TN
 35.83°N 84.07°W (Elev. 814 ft)
3:17 pm EDT Jul 21, 2019
5pm EDT Jul 21, 2019-6pm EDT Jul 28, 2019
 
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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