Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

31°F

-1°C

Humidity 54%
Wind Speed W 17 G 32 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Mar 11:53 pm EDT
Extended Forecast for

Louisville TN

  • Overnight

    Overnight: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 24. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of flurries before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Southwest wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Southwest wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Southwest wind around 5 mph becoming calm.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of flurries before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 34. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 64. Southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 43. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
12:41 am EDT Mar 17, 2026
12am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database