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Health Risks During Winter Storms in Flagstaff, AZ
Health Risks During Winter Storms in Flagstaff, AZ
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Guest
Guest
Jul 19, 2026
5:29 AM
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Winter storms are a regular part of life in Flagstaff, Arizona. Sitting at an elevation of nearly 7,000 feet, the city experiences some of the heaviest snowfall in the Southwest, with multiple snowstorms arriving each winter season. While snow-covered landscapes create beautiful scenery, they also introduce serious health hazards that residents and visitors should never underestimate.
Cold temperatures, icy roads, power outages, and prolonged periods indoors can affect people of every age. Winter storms increase the risk of heart attacks during strenuous outdoor activities, hypothermia, frostbite, carbon monoxide poisoning, medication shortages, mental health challenges, and delayed emergency medical care. Understanding these risks before severe weather arrives allows families to prepare effectively and avoid preventable medical emergencies.
Why Flagstaff's Winter Climate Presents Unique Health Challenges
Unlike many Arizona communities, Flagstaff experiences frequent snowstorms, freezing overnight temperatures, strong winter winds, and icy road conditions. Weather can change rapidly, with several inches of snowfall accumulating within hours. Rural communities surrounding Flagstaff may become isolated when highways temporarily close because of snow, ice, or low visibility.
High elevation also means thinner air and colder temperatures. Even healthy individuals may become exhausted more quickly while performing physical work outdoors. Visitors arriving from lower elevations may not realize how much additional strain cold weather and altitude place on the body.
Because winter storms can interrupt transportation, residents should prepare not only for staying warm but also for maintaining access to medications, medical care, and emergency services.
Heart Attack Risk from Snow Shoveling
Snow shoveling is one of the most physically demanding activities many people perform all year. Although it appears to be a simple household chore, lifting heavy snow places tremendous stress on the cardiovascular system.
Cold air naturally causes blood vessels to constrict. This raises blood pressure while simultaneously making the heart work harder to circulate blood throughout the body. When heavy lifting is added to the equation, oxygen demand increases rapidly.
People with existing heart disease, diabetes, high blood pressure, obesity, or a history of smoking face an especially high risk.
Common warning signs of a heart attack include:
Chest pressure or pain
Pain spreading into the shoulders, neck, jaw, or arms
Sudden shortness of breath
Cold sweat
Nausea
Dizziness
Unexplained fatigue
Anyone experiencing these symptoms should immediately stop all activity and seek emergency medical care.
If you have a heart condition, check the Flagstaff winter storm warning today before deciding whether to shovel—during an active warning, heavy wet snow combined with cold air significantly increases cardiac risk.
Tips for Safer Snow Removal
Instead of rushing outdoors immediately after snowfall:
Warm up indoors first.
Dress in layers.
Push snow rather than lifting whenever possible.
Remove snow in smaller sections.
Take frequent breaks.
Drink water to avoid dehydration.
Avoid alcohol before or during snow removal.
Ask for help if you have heart disease or reduced mobility.
Heavy wet snow is significantly more strenuous than light powder, making pacing especially important.
Understanding Hypothermia
Hypothermia develops when the body's core temperature falls below 95°F (35°C). It can occur surprisingly quickly during winter storms, particularly when clothing becomes wet or wind speeds increase.
Many people associate hypothermia only with extreme wilderness survival situations, but it frequently develops much closer to home.
Older adults, infants, people without reliable heating, outdoor workers, hikers, and individuals experiencing homelessness are among the highest-risk groups.
Early Symptoms
Early warning signs often include:
Persistent shivering
Cold, pale skin
Numb hands
Fatigue
Poor coordination
Slurred speech
Confusion
These symptoms should never be ignored because hypothermia becomes increasingly dangerous as body temperature continues falling.
Advanced Symptoms
As hypothermia worsens, individuals may experience:
Violent confusion
Slow breathing
Weak pulse
Loss of coordination
Drowsiness
Loss of consciousness
Paradoxically, severe hypothermia sometimes causes shivering to stop, misleading people into believing they are improving.
Treatment
If hypothermia is suspected:
Move the person indoors immediately.
Remove wet clothing.
Replace with dry layers.
Wrap in warm blankets.
Warm the center of the body first using dry heat.
Offer warm non-alcoholic beverages if fully awake.
Seek emergency medical attention.
Avoid placing someone directly into hot water or applying intense heat to cold limbs because rapid warming can trigger dangerous cardiovascular complications.
Frostbite: More Than Frozen Skin
Frostbite occurs when body tissues freeze after prolonged exposure to cold temperatures. While Flagstaff is not located in the Arctic, dangerous wind chills occasionally develop during winter storms.
Body parts most commonly affected include:
Fingers
Toes
Nose
Ears
Cheeks
Early Frostbite Symptoms
Initially, skin may become:
Cold
Tingling
Painful
Numb
Pale or white
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