Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy and Breezy

73°F

23°C

Humidity 35%
Wind Speed S 21 G 30 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 Mar 12:53 pm EDT
Extended Forecast for

4 Miles NNE Louisville TN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. South wind around 15 mph, with gusts as high as 30 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then showers after 5am. Some of the storms could produce heavy rainfall.  Low around 41. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Heavy
    Rain and
    Breezy

  • Monday

    Monday: Rain showers before 2pm, then a chance of snow showers. The rain could be heavy at times.  Temperature falling to around 38 by 2pm. West wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Heavy Rain
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before 8pm.  Mostly cloudy, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
Showers likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then showers after 5am. Some of the storms could produce heavy rainfall. Low around 41. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Rain showers before 2pm, then a chance of snow showers. The rain could be heavy at times. Temperature falling to around 38 by 2pm. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow showers before 8pm. Mostly cloudy, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 40. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Louisville TN
 35.87°N 84.01°W (Elev. 994 ft)
9:21 am EDT Mar 15, 2026
12pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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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