Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

85°F

29°C

Humidity 57%
Wind Speed SW 13 mph
Barometer 30.04 in (1015.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Jun 12:53 pm EDT
Extended Forecast for

4 Miles NNW Louisville TN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 85. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Low around 68. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 68 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 85. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 87. Calm wind.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 90.
Saturday Night
Mostly clear, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Sunday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Louisville TN
 35.88°N 84.06°W (Elev. 899 ft)
1:17 pm EDT Jun 17, 2025
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 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