Weather
Tennessee Winter Weather 2026/27: December Snow and Ice Risks
Nashville, TN – A powerful December winter storm could leave Tennessee residents facing ice covered highways, frozen plumbing, fallen trees and power outages lasting several days. As winter 2026/27 ap
By Blake Harrison · 2026-11-15T17:38:30.993Z
Nashville, TN – A powerful December winter storm could leave Tennessee residents facing ice covered highways, frozen plumbing, fallen trees and power outages lasting several days. As winter 2026/27 approaches, homeowners across Nashville, Davidson County, the greater Nashville metropolitan area and communities throughout Tennessee should prepare before snow, freezing rain and dangerous temperatures threaten their homes.
According to winter preparedness guidance from the National Weather Service and Tennessee Emergency Management Agency, winter storms can produce hazardous snowfall, damaging ice accumulation, dangerous wind chills and widespread transportation disruptions. East Tennessee's mountains face greater snowfall potential, while Middle and West Tennessee can experience disruptive ice storms.
Here are 10 critical steps Tennessee homeowners should take before December snowstorms or major ice events arrive.
1. Inspect Your Roof Before Heavy Snow and Ice Accumulate Heavy, wet snow and freezing rain can place substantial weight on roofing systems.
Inspect shingles, flashing, gutters and attic spaces for existing damage.
Homeowners in Nashville, Franklin, Murfreesboro and Clarksville should check aging roofs and blocked drainage systems.
Mountain communities near Gatlinburg, Pigeon Forge and Mountain City may experience greater snowfall and repeated freezing conditions.
Watch for sagging ceilings or unusual structural noises. Never climb onto an icy roof.
2. Protect Water Pipes Before Freezing Temperatures Arrive Frozen pipes can burst and cause extensive interior flooding.
Insulate exposed plumbing in crawl spaces, basements, garages and exterior walls.
Disconnect garden hoses, protect outdoor faucets and locate the home's main water shutoff valve.
Many Tennessee homes have crawl space plumbing vulnerable to prolonged cold.
Maintain indoor heating when traveling and open cabinet doors beneath vulnerable sinks during extreme freezes.
3. Service Your Furnace or Heat Pump Before December A heating failure during a winter storm can quickly become dangerous.
Schedule professional inspections of natural gas furnaces, electric heat pumps and other heating equipment.
Replace appropriate filters, verify thermostat operation and check heating fuel supplies.
Residents using propane, fireplaces or wood burning stoves should arrange equipment inspections and chimney cleaning when needed.
Keep outdoor heating exhaust outlets clear of snow.
Never use kitchen ovens or outdoor cooking equipment for indoor heating.
4. Prepare for Power Outages Lasting Several Days Freezing rain can coat trees and electrical lines with heavy ice, causing widespread damage.
Communities across Davidson, Williamson, Rutherford and Shelby counties may experience outages when ice covered branches fall.
Rural mountain communities can face additional restoration challenges when fallen trees block roads.
Keep flashlights, batteries, charged power banks and emergency radios available.
Households relying on electrically powered medical equipment should establish backup arrangements.
Operate portable generators outdoors, at least 20 feet from windows, doors and vents, with exhaust directed away from buildings.
Never operate generators inside garages or enclosed porches.
5. Build a Winter Storm Emergency Supply Kit Maintain at least three days of emergency supplies, with additional provisions for isolated households.
Store one gallon of drinking water per person daily, nonperishable food, prescription medications, blankets, first aid supplies and pet necessities.
Residents in remote mountain communities should consider extra provisions if snow or fallen trees temporarily block roads.
Homes relying on electrically powered private wells should store additional water.
Keep supplies accessible without requiring travel during dangerous conditions.
6. Prevent Ice Dams and Interior Water Damage Ice dams can develop when melting roof snow refreezes near colder roof edges.
Inspect attic insulation, seal accessible air leaks and maintain appropriate ventilation.
Clean gutters and check downspouts before freezing weather arrives.
Replace damaged weatherstripping around windows and exterior doors.
Homes experiencing recurring ice dams should receive professional evaluations.
Avoid attempting roof repairs during icy conditions.
7. Remove Dangerous Tree Limbs Before Ice Storms Heavy ice accumulation can break weakened branches, damaging homes, vehicles and power lines.
Inspect trees near roofs, garages, driveways and electrical service connections.
Arrange professional removal of dead or unstable limbs.
Homeowners in wooded neighborhoods around Nashville, Memphis, Knoxville and Chattanooga should pay particular attention to branches overhanging structures.
Never approach fallen electrical wires or attempt to remove branches touching power lines.
8. Prepare Vehicles, Driveways and Emergency Access Even moderate snowfall can create dangerous transportation conditions in Tennessee, particularly when melting snow refreezes overnight.
Inspect snow shovels, ice melting supplies and available snow removal equipment.
Keep exterior stairways, emergency exits and heating appliance vents accessible.
Drivers should carry blankets, winter clothing, phone chargers, flashlights and emergency vehicle supplies.
Monitor conditions along Interstate 40, Interstate 65, Interstate 24, Interstate 75 and Interstate 81.
Mountain travelers should exercise particular caution along Interstate 40 near the North Carolina border and other high elevation routes.
Avoid unnecessary travel during winter storm or ice storm warnings.
9. Test Carbon Monoxide Detectors Before Using Backup Heat Carbon monoxide poisoning becomes a serious winter danger when heating equipment malfunctions or generators are used improperly.
Test smoke and carbon monoxide alarms and replace batteries or devices according to manufacturer instructions.
Snow accumulation can obstruct vehicle tailpipes and heating exhaust vents.
Never run a vehicle with its tailpipe blocked by snow.
Keep generator exhaust away from buildings and never use charcoal grills, camping stoves or kitchen ovens for indoor heating.
Anyone experiencing possible carbon monoxide poisoning should move to fresh air immediately and call 911.
10. Establish a Family Winter Emergency Plan Identify where household members can safely shelter if electricity or heating becomes unavailable.
Keep emergency contacts written down and locate warming centers when local officials announce their availability.
Check on older neighbors, residents with disabilities and people living alone.
Monitor National Weather Service forecasts, Tennessee Emergency Management Agency announcements and Tennessee 511 road conditions.
Residents in isolated mountain communities should establish communication plans before heavy snow restricts travel.
Families should identify alternate shelter arrangements if prolonged outages make their homes unsafe.
Why December Preparation Matters for Tennessee Winter 2026/27 Winter weather risks vary significantly across Tennessee.
Nashville, Franklin, Murfreesboro and Middle Tennessee can experience heavy wet snow, freezing rain and widespread commuter disruptions.
Memphis, Jackson and West Tennessee face additional risks from damaging ice storms that bring down trees and electrical lines.
Knoxville, Maryville and the Tennessee Valley may experience rapidly changing precipitation, including snow, sleet and freezing rain.
Gatlinburg, Pigeon Forge, Sevierville and higher elevations of the Great Smoky Mountains face greater snowfall potential, strong winds and prolonged freezing conditions.
Chattanooga, Cleveland and southeastern Tennessee can experience dangerous ice on elevated roads and mountain routes.
Tennessee's geography creates sharply different winter conditions across relatively short distances. A lower elevation community may receive rain while nearby mountain roads become covered in snow and ice.
This preparedness guide does not predict a specific December 2026 blizzard. Significant winter storms remain possible during the season, but residents should rely on updated National Weather Service forecasts for actual storm timing and expected impacts.
Waiting until a winter storm warning is issued can leave households scrambling for heating fuel, emergency supplies, backup power and snow removal equipment.
For Tennessee residents, completing these 10 preparations before December storms develop could help prevent frozen plumbing, heating failures, expensive property damage and dangerous emergency travel.