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.

Overcast

48°F

9°C

Humidity 77%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Mar 7:53 am EDT
Extended Forecast for

5 Miles SW Maryville TN

  • Today

    Today: Mostly cloudy, with a high near 73. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 73 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall.  Low around 41. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Heavy
    Rain

  • Monday

    Monday: Rain showers before 2pm, then a chance of rain and snow showers. The rain could be heavy at times.  Temperature falling to around 38 by 2pm. Breezy, with a west wind 15 to 20 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 and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before 8pm.  Mostly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 41. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 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 rain and snow showers. The rain could be heavy at times. Temperature falling to around 38 by 2pm. Breezy, with a west wind 15 to 20 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 23. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 40. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 53. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Maryville TN
 35.7°N 84.05°W (Elev. 997 ft)
7:06 am EDT Mar 15, 2026
8am 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