Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

72°F

22°C

Humidity 87%
Wind Speed N 8 mph
Barometer 30.14 in (1019.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 27 Jun 11:53 pm EDT
Extended Forecast for

5 Miles NNW Louisville TN

  • Overnight

    Overnight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 3pm and 5pm.  Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Patchy fog before 3am, then patchy fog after 4am.  Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 11am.  Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. Calm wind.
Saturday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.
Monday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 70. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Louisville TN
 35.9°N 84.06°W (Elev. 899 ft)
12:28 am EDT Jun 28, 2025
12am EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
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Additional Resources

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