Ice Storm Risk in Michigan
All Michigan counties ranked by FEMA National Risk Index ice storm score
Ice Storm risk — freezing rain that coats surfaces in heavy, damaging ice — is rated for 83 of 83 Michigan counties in FEMA's National Risk Index. Oakland County carries the state's highest ice storm score at 99.4, with $6M in expected annual ice storm losses.
10 Michigan counties are rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $24M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Ice Storm
| # | County | Ice Storm Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Oakland County | Very High | 1.81 / yr | $6M | |
| 2 | Wayne County | Very High | 1.88 / yr | $3M | |
| 3 | Macomb County | Very High | 1.98 / yr | $3M | |
| 4 | Washtenaw County | High | 1.78 / yr | $1M | |
| 5 | Genesee County | High | 1.25 / yr | $862K | |
| 6 | St. Clair County | High | 1.90 / yr | $705K | |
| 7 | Monroe County | High | 1.54 / yr | $673K | |
| 8 | Van Buren County | High | 0.96 / yr | $537K | |
| 9 | Ingham County | High | 1.73 / yr | $608K | |
| 10 | Kent County | High | 1.26 / yr | $675K | |
| 11 | Livingston County | Medium | 1.80 / yr | $699K | |
| 12 | Ottawa County | Medium | 1.21 / yr | $469K | |
| 13 | Jackson County | Medium | 1.78 / yr | $354K | |
| 14 | Lenawee County | Medium | 1.61 / yr | $343K | |
| 15 | Saginaw County | Medium | 0.91 / yr | $287K | |
| 16 | Kalamazoo County | Medium | 1.42 / yr | $326K | |
| 17 | Muskegon County | Medium | 1.04 / yr | $245K | |
| 18 | Eaton County | Medium | 1.53 / yr | $285K | |
| 19 | Lapeer County | Medium | 1.33 / yr | $274K | |
| 20 | Ionia County | Medium | 1.47 / yr | $256K | |
| 21 | Calhoun County | Medium | 1.72 / yr | $248K | |
| 22 | Sanilac County | Medium | 0.93 / yr | $186K | |
| 23 | Barry County | Medium | 1.59 / yr | $253K | |
| 24 | Tuscola County | Medium | 0.82 / yr | $185K | |
| 25 | Shiawassee County | Medium | 1.50 / yr | $193K | |
| 26 | Allegan County | Medium | 1.44 / yr | $214K | |
| 27 | Isabella County | Medium | 0.83 / yr | $132K | |
| 28 | Bay County | Medium | 0.71 / yr | $148K | |
| 29 | Montcalm County | Medium | 1.14 / yr | $149K | |
| 30 | Hillsdale County | Medium | 1.67 / yr | $118K | |
| 31 | Branch County | Medium | 1.59 / yr | $112K | |
| 32 | Clinton County | Low | 1.59 / yr | $198K | |
| 33 | Midland County | Low | 0.77 / yr | $123K | |
| 34 | Newaygo County | Low | 0.91 / yr | $84K | |
| 35 | Gratiot County | Low | 1.17 / yr | $87K | |
| 36 | Mecosta County | Low | 0.85 / yr | $76K | |
| 37 | St. Joseph County | Low | 1.23 / yr | $80K | |
| 38 | Huron County | Low | 0.55 / yr | $73K | |
| 39 | Berrien County | Low | 1.19 / yr | $77K | |
| 40 | Oceana County | Low | 0.88 / yr | $65K | |
| 41 | Marquette County | Low | 0.06 / yr | $62K | |
| 42 | Cass County | Low | 1.28 / yr | $54K | |
| 43 | Clare County | Low | 0.47 / yr | $37K | |
| 44 | Gladwin County | Low | 0.52 / yr | $31K | |
| 45 | Menominee County | Low | 0.02 / yr | $31K | |
| 46 | Osceola County | Low | 0.34 / yr | $26K | |
| 47 | Gogebic County | Low | 0.02 / yr | $20K | |
| 48 | Mason County | Low | 0.34 / yr | $22K | |
| 49 | Arenac County | Very Low | 0.39 / yr | $21K | |
| 50 | Iosco County | Very Low | 0.18 / yr | $18K | |
| 51 | Roscommon County | Very Low | 0.19 / yr | $15K | |
| 52 | Ogemaw County | Very Low | 0.23 / yr | $15K | |
| 53 | Wexford County | Very Low | 0.16 / yr | $17K | |
| 54 | Lake County | Very Low | 0.34 / yr | $12K | |
| 55 | Dickinson County | Very Low | 0.03 / yr | $16K | |
| 56 | Manistee County | Very Low | 0.14 / yr | $10K | |
| 57 | Alger County | Very Low | 0.07 / yr | $9K | |
| 58 | Delta County | Very Low | 0.03 / yr | $9K | |
| 59 | Alpena County | Very Low | 0.07 / yr | $7K | |
| 60 | Emmet County | Very Low | 0.03 / yr | $10K | |
| 61 | Missaukee County | Very Low | 0.19 / yr | $8K | |
| 62 | Baraga County | Very Low | 0.03 / yr | $5K | |
| 63 | Charlevoix County | Very Low | 0.06 / yr | $7K | |
| 64 | Iron County | Very Low | 0.02 / yr | $4K | |
| 65 | Alcona County | Very Low | 0.07 / yr | $4K | |
| 66 | Keweenaw County | Very Low | 0.02 / yr | $3K | |
| 67 | Otsego County | Very Low | 0.07 / yr | $6K | |
| 68 | Antrim County | Very Low | 0.07 / yr | $6K | |
| 69 | Kalkaska County | Very Low | 0.10 / yr | $4K | |
| 70 | Grand Traverse County | Very Low | 0.07 / yr | $6K | |
| 71 | Presque Isle County | Very Low | 0.05 / yr | $3K | |
| 72 | Crawford County | Very Low | 0.09 / yr | $3K | |
| 73 | Montmorency County | Very Low | 0.07 / yr | $3K | |
| 74 | Chippewa County | Very Low | 0.02 / yr | $3K | |
| 75 | Houghton County | Very Low | 0.01 / yr | $4K | |
| 76 | Cheboygan County | Very Low | 0.04 / yr | $2K | |
| 77 | Oscoda County | Very Low | 0.08 / yr | $2K | |
| 78 | Leelanau County | Very Low | 0.01 / yr | $2K | |
| 79 | Schoolcraft County | Very Low | 0.02 / yr | $2K | |
| 80 | Benzie County | Very Low | 0.06 / yr | $1K | |
| 81 | Mackinac County | Very Low | 0.01 / yr | $966 | |
| 82 | Luce County | Very Low | 0.02 / yr | $675 | |
| 83 | Ontonagon County | Very Low | 0.01 / yr | $717 |
83 Michigan counties with measurable ice storm risk. See the national ice storm ranking or all Michigan counties by overall risk.
Frequently Asked Questions
Which Michigan county has the highest ice storm risk?
Oakland County has the highest FEMA ice storm risk score in Michigan at 99.4 (Very High), with $6M in expected annual losses and about 1.81 events per year.
How many Michigan counties face significant ice storm risk?
83 Michigan counties record measurable ice storm risk in FEMA's National Risk Index; 10 of them are rated High or Very High.