National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

73°F

23°C

Humidity 66%
Wind Speed SW 13 mph
Barometer 30.22 in (1022.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 1 Apr 11:53 am EDT
Extended Forecast for

Louisville TN

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 83 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then showers likely. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 62. South wind around 5 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm before 8am, then showers likely. High near 66. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
7:06 am EDT Apr 1, 2026
Forecast Valid:
12pm EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation