Weather
Michigan Winter Weather Awareness Week: When Snow Turns Dangerous
Lansing, MI – Winter Weather Awareness Week begins Sunday, October 25, with an important question for Michigan residents: What actually makes a winter storm a blizzard? The answer may surprise you, es
By Claire Benton · 2026-10-25T17:25:17.195Z
Lansing, MI – Winter Weather Awareness Week begins Sunday, October 25, with an important question for Michigan residents: What actually makes a winter storm a blizzard? The answer may surprise you, especially because heavy snowfall isn't always required.
According to the National Weather Service NWS , a blizzard occurs when sustained winds or frequent gusts reach at least 35 mph, accompanied by falling or blowing snow that reduces visibility to one quarter mile or less for at least three hours.
Even snow already on the ground can produce blizzard conditions when powerful winds lift it into the air, creating dangerous whiteouts.
What's the Difference Between a Watch and a Warning? A Winter Storm Watch means significant winter weather is possible, giving residents time to prepare.
A Winter Storm Warning means dangerous winter conditions are expected or already occurring.
A Blizzard Warning is issued when blizzard conditions are expected or underway. Travel can quickly become dangerous as blowing snow reduces visibility and roads become difficult to navigate.
What Should Michigan Residents Have Ready? Before winter storms arrive, households should prepare emergency supplies, including:
Food and water: At least three days of nonperishable food and one gallon of water per person daily. Warmth: Extra blankets, sleeping bags, winter clothing and safe backup heating options. Emergency supplies: Flashlights, batteries, medications, first aid kits and charged power banks. Vehicles: A full tank of gas, blankets, jumper cables, an ice scraper and emergency supplies. Snow removal: Shovels, ice melt, rock salt and traction materials. Never operate generators, outdoor grills or other fuel burning outdoor equipment indoors or inside garages because of deadly carbon monoxide risks.
Why It Matters Across Michigan From Detroit and Wayne County to Grand Rapids, Lansing, Traverse City and communities throughout the Upper Peninsula, winter storms can create dangerous conditions statewide.
Lake effect snow near Lakes Michigan and Superior, powerful winds and blowing snow can disrupt travel along Interstate 75, Interstate 94, Interstate 96 and rural highways.
The Upper Peninsula and western Lower Michigan can experience particularly intense lake effect snowfall, while open areas may face dangerous drifting snow and sudden whiteouts.
As Winter Weather Awareness Week continues through Saturday, October 31, residents are encouraged to review emergency plans, check supplies and monitor official NWS forecasts.
Remember: A blizzard is defined by wind, visibility and duration — not snowfall totals.