Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

81°F

27°C

Humidity 57%
Wind Speed Calm
Barometer 30.03 in (1015.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Sep 1:53 pm EDT
Extended Forecast for

Louisville TN

  • This Afternoon

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

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 62. Northeast wind around 5 mph.

    Low: 62 °F

    Chance
    T-storms then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. East wind around 5 mph becoming south after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming northeast around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Northeast wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 62. Northeast wind around 5 mph.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80. Calm wind.
Thursday Night
Mostly clear, with a low around 55. East wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 79. Calm wind becoming northeast around 5 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
1:31 pm EDT Sep 30, 2025
2pm EDT Sep 30, 2025-6pm EDT Oct 6, 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