12 FEMA areas

Winter Weather Risk by City in Michigan

Compare 18 cities using FEMA's relative winter weather scores and annualized frequency for the county-equivalent areas shown.

Highest relative score

95.5/100

Ottawa County

Covered cities: Holland

Lowest relative score in this set

42.3/100

Genesee County

Covered cities: Flint

These are relative FEMA scores for county-equivalent areas. They are not annual probabilities or property-level findings.

Michigan winter weather rankings

Cities sharing a FEMA area are grouped together and receive the same score.

Rank	FEMA area and cities	Rating	Score	Annualized frequency
#1	Ottawa County Holland	Relatively High	95.5/100	8.724 per year
#2	Muskegon County Muskegon	Relatively High	90.7/100	7.534 per year
#3	Saginaw County Saginaw	Relatively High	89.9/100	2.910 per year
#4	Kent County Grand Rapids	Relatively High	87.4/100	5.824 per year
#5	Kalamazoo County Kalamazoo	Relatively High	86.4/100	5.697 per year
#6	Wayne County Dearborn Detroit Livonia Westland	Relatively High	86.3/100	2.531 per year
#7	Ingham County Lansing	Relatively Moderate	84.1/100	3.034 per year
#8	Oakland County Farmington Hills South Lyon Troy	Relatively Moderate	79.4/100	2.910 per year
#9	Macomb County Sterling Heights Warren	Relatively Moderate	78.8/100	2.883 per year
#10	Washtenaw County Ann Arbor	Relatively Moderate	62.9/100	2.477 per year
#11	St. Clair County Port Huron	Relatively Low	44.9/100	4.094 per year
#12	Genesee County Flint	Relatively Low	42.3/100	2.786 per year

Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.

Preparing for winter weather

Ready.gov Be Informed ↗

For a home or move

✓Confirm the exact hazard using official local maps before making property or insurance decisions.
✓Review policy exclusions, deductibles, and temporary-living coverage with a licensed professional.
✓Keep inspections, inventories, and critical documents in a secure location you can access after an emergency.

For a household plan

✓Know how local officials issue warnings and evacuation instructions.
✓Maintain water, food, lighting, medications, and communications for several days.
✓Create a household communication plan and practice it before an emergency.

Questions about winter weather risk in Michigan

Which covered Michigan cities have the highest relative winter weather risk?

Holland use FEMA data for Ottawa County, which has the highest relative winter weather score in this covered set at 95.5/100. Cities sharing the same FEMA area share the same score.

Which covered Michigan area has the lowest relative winter weather score?

Genesee County has the lowest score in this covered set at 42.3/100. This is a relative FEMA comparison, not a declaration that every property there is safe.

Are these winter weather figures city-level?

No. The city links provide geographic navigation, while the scores and frequencies cover the FEMA county-equivalent areas shown in the table. Address-level conditions require local maps and property details.

Is the FEMA relative score an annual probability?

No. The relative score compares FEMA areas on a 0–100 scale. Annualized frequency appears separately with hazard-specific units.

Source: FEMA National Risk Index v1.19.0, released March 2023. Hazard data covers FEMA county-equivalent areas.

FEMA source ↗Our methodology →