Tips

Essential Safety Measures During Cold Waves in the United States

June 17, 2026 · The Clime Team

Cold waves, characterized by a rapid drop in temperature, can pose significant health risks. Understanding how to prepare and respond is crucial for safety.

What Are Cold Waves?

A cold wave is a prolonged period of excessively cold weather, often accompanied by strong winds and low temperatures. These conditions can lead to hypothermia, frostbite, and other cold-related illnesses.

How Should I Prepare for a Cold Wave?

Stay Informed:

Monitor Weather Forecasts: Regularly check local weather updates to stay informed about impending cold waves.
Heed Warnings: Pay attention to advisories and warnings issued by local authorities.

Home Preparation:

Insulate Pipes: Wrap pipes in insulation or layers of newspapers covered in plastic to prevent them from freezing. Let a trickle of warm water run from a faucet to keep water moving through your pipes. (mass.gov)
Check Heating Systems: Ensure that your heating system is functioning properly.
Stock Emergency Supplies: Keep essentials like blankets, non-perishable food, water, and a flashlight with extra batteries.

Vehicle Preparation:

Winterize Your Vehicle: Check tire pressure, battery health, and ensure your vehicle is equipped with winter tires if necessary.
Emergency Kit: Keep a kit in your car with items like a snow shovel, ice scraper, jumper cables, and warm clothing.

What Should I Wear During a Cold Wave?

Layering:

Base Layer: Wear fabrics that retain body heat and wick moisture away from the skin, such as wool, silk, or polypropylene. (cdc.gov)
Insulation Layer: Use materials like wool, fleece, or down to trap heat.
Outer Layer: Choose tightly woven, water-resistant clothing to protect against wind and precipitation.

Accessories:

Headgear: Wear a hat to protect your head and ears.
Hand Protection: Opt for mittens, which are warmer than gloves.
Footwear: Wear insulated, waterproof boots to keep feet dry and warm.

Additional Tips:

Stay Dry: Wet clothing can lead to rapid heat loss.
Avoid Overexertion: Limit physical activity to prevent excessive sweating.

How Can I Recognize and Prevent Cold-Related Illnesses?

Hypothermia:

Symptoms: Shivering, confusion, slurred speech, and drowsiness.
Prevention: Dress in layers, stay dry, and avoid prolonged exposure to cold.

Frostbite:

Symptoms: Numbness, white or grayish-yellow skin, and firm or waxy skin.
Prevention: Cover all exposed skin, wear appropriate clothing, and avoid touching cold metal surfaces with bare skin.

First Aid:

Hypothermia: Seek medical attention immediately. While waiting, move the person to a warm area, remove wet clothing, and cover them with warm blankets.
Frostbite: Get the person indoors, avoid rubbing the affected area, and seek medical care promptly.

What Should I Do During a Cold Wave?

Limit Outdoor Activities:

Stay indoors as much as possible. If you must go outside, limit your exposure and dress appropriately.

Stay Informed:

Keep updated with weather forecasts and heed any warnings or advisories.

Check on Vulnerable Individuals:

Ensure that elderly family members, neighbors, and those with medical conditions are safe and have necessary supplies.

Use Alternative Heating Sources Safely:

If using space heaters or generators, ensure they are in well-ventilated areas to prevent carbon monoxide poisoning.

How Can I Stay Safe While Driving in Cold Weather?

Vehicle Preparation:

Tires: Ensure tires are properly inflated and have adequate tread.
Battery: Cold temperatures can reduce battery capacity; have your battery checked regularly.

Driving Tips:

Slow Down: Reduce speed to account for slippery roads.
Increase Following Distance: Allow more space between vehicles to account for longer stopping distances.
Avoid Cruise Control: Maintain full control of your vehicle on slippery surfaces.
Stay Alert: Watch for black ice and other hazards.

Emergency Kit:

Carry items like a flashlight, blanket, first aid kit, and non-perishable food.

How Can I Protect My Home During a Cold Wave?

Insulation:

Ensure that your home is well-insulated to retain heat.

Heating System:

Have your heating system serviced regularly to ensure it operates efficiently.

Windows and Doors:

Seal any drafts to prevent heat loss.

Emergency Supplies:

Keep essentials like bottled water, canned goods, and medications in case of power outages.

By taking these precautions, you can significantly reduce the risks associated with cold waves and ensure the safety of yourself and those around you.