Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

78°F

26°C

Humidity 50%
Wind Speed SW 14 G 20 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Oct 12:53 pm EDT
Extended Forecast for

Louisville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Temperature falling to around 62 by 5pm. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers then
    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind becoming south around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Temperature falling to around 62 by 5pm. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 66. Calm wind.
Monday Night
Mostly clear, with a low around 47. Calm wind becoming south around 5 mph.
Tuesday
Sunny, with a high near 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.07°W (Elev. 814 ft)
12:21 pm EDT Oct 18, 2025
1pm EDT Oct 18, 2025-6pm EDT Oct 24, 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