See which Tennessee counties have tornado or flood warnings now, in a state with 1,447 tornadoes since 1950

1 active
Updated 3:24 AM CSTRefreshes every 15 minutes
  • Winter Weather AdvisoryJohnson; Cocke Smoky Mountains; Southeast Greene; Unicoi; Southeast Carter; Blount Smoky Mountains; Sevier Smoky Mountains; Southeast MonroeUntil Nov 14, 6:00 AM CST

    Winter Weather Advisory issued November 11 at 11:09PM EST until November 14 at 7:00AM EST by NWS Morristown TN

    Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

    Tennessee

    Official NWS bulletin →

What to do

Steps for the hazards currently alerted in Tennessee.

Get ready

Now

  • Check 511 for traffic, road conditions and restrictions before you leave, and share your timetable and your primary and alternate routes. In a winter storm warning, delay travel until conditions improve.

    Source: NWS: Before a winter storm
  • A wind chill warning means dangerously low wind chill is expected, which can cause frostbite and hypothermia. Avoid going outdoors if possible.

    Source: NWS: Winter watches, warnings and advisories Full guide →
  • Include a phone and charger, blankets or sleeping bags, a flashlight with extra batteries, a first aid kit, high-calorie food, extra dry clothing and a shovel. Keep the gas tank near full.

    Source: NWS: Before a winter storm Full guide →
  • Have a flashlight with extra batteries, a battery-powered NOAA Weather Radio, extra prescription medication, and food and water that need no cooking or refrigeration.

    Source: NWS: Before a winter storm Full guide →

Decide

If conditions worsen

Ride it out

During

  • Wear layers of loose, lightweight, warm clothing. If the heat goes out, close off unneeded rooms, stuff towels in door cracks, and eat and drink to fuel your body's heat production.

    Source: NWS: During a winter storm Full guide →
  • Stay in the vehicle and run the engine about 10 minutes each hour for heat. Open a window slightly and keep the exhaust pipe clear of snow to avoid carbon monoxide.

    Source: NWS: During a winter storm Full guide →
  • The areas most prone to frostbite are uncovered skin and the hands and feet. People exposed to extreme cold can develop hypothermia in a matter of minutes.

    Source: NWS: Cold Full guide →
  • Never use a generator inside your home or garage, even with doors and windows open. Run it only outdoors, more than 20 feet from windows, doors and vents.

    Source: CDC: Carbon monoxide

Tennessee counties with active weather alerts

8 counties have at least one National Weather Service alert in effect. An alert that covers several counties is counted in each.

CountyActive alertsWarningsAlert types
Blount County10Winter Weather Advisory
Carter County10Winter Weather Advisory
Cocke County10Winter Weather Advisory
Greene County10Winter Weather Advisory
Johnson County10Winter Weather Advisory
Monroe County10Winter Weather Advisory
Sevier County10Winter Weather Advisory
Unicoi County10Winter Weather Advisory

Counties are listed by the National Weather Service alert areas. What watches, warnings and advisories mean →

Tennessee severe weather alerts by type

What each kind of alert means and where to see it for Tennessee.

Tennessee tornado watches and warnings

None active in Tennessee right now. A tornado watch means tornadoes are possible.

Tennessee severe thunderstorm watches and warnings

None active in Tennessee right now. A severe thunderstorm has winds of 58 mph or higher, hail 1 inch across or larger, or both.

Tennessee flood watches and flash flood warnings

None active in Tennessee right now. A flood watch means flooding is possible.

Tennessee winter storm, ice storm, snow and blizzard warnings

1 active in Tennessee right now. Winter alerts run from a watch (possible within about 48 hours) to a warning (occurring or imminent) and an advisory for less serious but still inconvenient conditions.

Tennessee heat advisories and extreme heat warnings

None active in Tennessee right now. A heat advisory is the lower level and an extreme heat warning the higher level; both based on the heat index.

Tennessee wind advisories and high wind warnings

None active in Tennessee right now. A wind advisory is for strong winds; a high wind warning is for damaging winds.

Other alert types: Tropical · Fire weather · Coastal · Marine

Tennessee tornado history: last tornado, strongest and worst on record

From the NOAA Storm Prediction Center database, 1950 through 2025.

Tennessee has 1,447 tornadoes on record, about 19 a year, and 806 of them since 2000. That ranks Tennessee number 21 among the 50 states by count. 123 were rated EF3 or stronger, including 29 rated EF4 or EF5. They caused 432 deaths and 5,124 injuries.

Last tornado in the recordAugust 20, 2025
StrongestEF5, April 16, 1998
Deadliest57 deaths, December 10, 2021
Busiest year2011 (98)
Tornadoes in Tennessee by year, 2016 to 2025
2016201720182019202020212022202320242025
1033251934654381948
Tornado season in Tennessee

Most Tennessee tornadoes have come from March through May. The single busiest month is April (24% of the total).

Counts use each tornado's starting state. Ratings before 2007 use the original Fujita scale. The database ends in 2025, so more recent tornadoes are not included.

Tennessee flood map and flood warnings

No flood watch or warning is active in Tennessee right now. Flood zones are mapped by FEMA street by street. FEMA's Flood Map Service Center lets you search an address and see its flood zone.

Common questions

Is there a tornado warning, winter storm warning or other weather warning in Tennessee right now?

Right now Tennessee has 0 tornado alerts and 1 winter storm alert. The most serious active alert is Winter Weather Advisory, in effect for Johnson; Cocke Smoky Mountains; Southeast Greene; Unicoi; Southeast Carter; Blount Smoky Mountains; Sevier Smoky Mountains; Southeast Monroe. It is listed until Nov 14, 6:00 AM CST. Source: National Weather Service.

Which Tennessee counties have weather alerts right now?

8 Tennessee counties have at least one active National Weather Service alert. The most affected: Blount County (1 alert: Winter Weather Advisory); Carter County (1 alert: Winter Weather Advisory); Cocke County (1 alert: Winter Weather Advisory). The full table is on this page and updates every 15 minutes.

When was the last tornado in Tennessee, and how many have there been since 2000?

The most recent tornado in the NOAA Storm Prediction Center database for Tennessee is August 20, 2025, rated EF0. The database lists 806 Tennessee tornadoes since 2000 and 1,447 since 1950. It runs through 2025, so it does not include later tornadoes.

What was the deadliest tornado in Tennessee, and what was the strongest?

By rating, the strongest in the record is April 16, 1998, rated EF5, 3 deaths. The deadliest is December 10, 2021, rated EF4, 57 deaths. Ratings before 2007 use the original Fujita scale.

How does Tennessee rank for tornadoes among the states?

Tennessee ranks 21st of 50 states by the number of tornadoes since 1950: 1,447 in all, about 19 a year. 123 were rated EF3 or stronger, 29 of them EF4 or EF5. They caused 432 deaths and 5,124 injuries, and the busiest year was 2011 with 98. Each tornado is counted in the state where it started.

When is tornado season in Tennessee?

Most Tennessee tornadoes in the record came from March through May. April is the busiest single month, with 24% of the total. Tornadoes can happen in any month.

Where do I find Tennessee emergency management and National Weather Service offices?

The state agency is Tennessee Emergency Management Agency (https://www.tn.gov/tema.html). The National Weather Service offices that cover Tennessee include NWS Huntsville, AL, NWS Memphis, TN, NWS Morristown, TN, NWS Nashville, TN. Evacuation zones and orders come from your county or state emergency management office, not from this site.

Which Tennessee cities and counties have their own alert pages?

This site has city pages for Davidson County (Nashville); Hamilton County (Chattanooga); Knox County (Knoxville); Shelby County (Memphis). Each city page shows the alerts for the center of that city.

Be ready in Tennessee

Official-source guides for the weather Tennessee sees most.

Tornado tracker →Winter storm tracker →Ice storms and freezing rain →Get alerts on your phone →Emergency kit and family plan →All safety guides →

Cities and counties in Tennessee

Live alerts and local storm history for each city, grouped by the county it is in.

Davidson County: Nashville

Hamilton County: Chattanooga

Knox County: Knoxville

Shelby County: Memphis

Alert data comes from the National Weather Service and is refreshed every 15 minutes.