Ice Storm Risk in Wisconsin
All Wisconsin 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 72 of 72 Wisconsin counties in FEMA's National Risk Index. Dane County carries the state's highest ice storm score at 83.4, with $680K in expected annual ice storm losses.
1 Wisconsin county is rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $6M 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 | Dane County | High | 0.62 / yr | $680K | |
| 2 | Waukesha County | Medium | 0.63 / yr | $841K | |
| 3 | Milwaukee County | Medium | 0.47 / yr | $287K | |
| 4 | Eau Claire County | Medium | 0.48 / yr | $182K | |
| 5 | Outagamie County | Low | 0.23 / yr | $189K | |
| 6 | Marathon County | Low | 0.19 / yr | $147K | |
| 7 | Rock County | Low | 0.63 / yr | $147K | |
| 8 | Clark County | Low | 0.26 / yr | $66K | |
| 9 | Grant County | Low | 0.39 / yr | $93K | |
| 10 | Sauk County | Low | 0.40 / yr | $99K | |
| 11 | Chippewa County | Low | 0.41 / yr | $102K | |
| 12 | Winnebago County | Low | 0.27 / yr | $99K | |
| 13 | Vernon County | Low | 0.19 / yr | $59K | |
| 14 | Richland County | Low | 0.33 / yr | $63K | |
| 15 | Brown County | Low | 0.21 / yr | $95K | |
| 16 | Monroe County | Low | 0.13 / yr | $59K | |
| 17 | Jackson County | Low | 0.29 / yr | $64K | |
| 18 | Racine County | Low | 0.59 / yr | $85K | |
| 19 | Marinette County | Low | 0.07 / yr | $73K | |
| 20 | Trempealeau County | Low | 0.33 / yr | $71K | |
| 21 | Adams County | Low | 0.12 / yr | $47K | |
| 22 | Crawford County | Low | 0.23 / yr | $66K | |
| 23 | Taylor County | Low | 0.19 / yr | $65K | |
| 24 | Vilas County | Low | 0.20 / yr | $54K | |
| 25 | Wood County | Low | 0.20 / yr | $74K | |
| 26 | Barron County | Low | 0.32 / yr | $63K | |
| 27 | Walworth County | Low | 0.68 / yr | $78K | |
| 28 | Jefferson County | Low | 0.60 / yr | $76K | |
| 29 | Polk County | Low | 0.34 / yr | $62K | |
| 30 | La Crosse County | Low | 0.13 / yr | $74K | |
| 31 | Waupaca County | Low | 0.23 / yr | $53K | |
| 32 | Green County | Low | 0.82 / yr | $72K | |
| 33 | Dodge County | Low | 0.47 / yr | $70K | |
| 34 | Kenosha County | Low | 0.52 / yr | $64K | |
| 35 | Door County | Low | 0.17 / yr | $52K | |
| 36 | Buffalo County | Low | 0.56 / yr | $63K | |
| 37 | Sawyer County | Low | 0.23 / yr | $34K | |
| 38 | Lafayette County | Low | 0.82 / yr | $55K | |
| 39 | Burnett County | Low | 0.31 / yr | $36K | |
| 40 | Shawano County | Low | 0.19 / yr | $52K | |
| 41 | Columbia County | Low | 0.43 / yr | $50K | |
| 42 | Dunn County | Low | 0.42 / yr | $59K | |
| 43 | St. Croix County | Low | 0.33 / yr | $62K | |
| 44 | Portage County | Low | 0.21 / yr | $63K | |
| 45 | Washington County | Low | 0.48 / yr | $68K | |
| 46 | Langlade County | Low | 0.12 / yr | $36K | |
| 47 | Oconto County | Low | 0.17 / yr | $37K | |
| 48 | Lincoln County | Low | 0.15 / yr | $38K | |
| 49 | Fond du Lac County | Low | 0.24 / yr | $38K | |
| 50 | Iowa County | Low | 0.66 / yr | $40K | |
| 51 | Oneida County | Low | 0.12 / yr | $31K | |
| 52 | Manitowoc County | Low | 0.17 / yr | $33K | |
| 53 | Price County | Very Low | 0.23 / yr | $23K | |
| 54 | Douglas County | Very Low | 0.16 / yr | $28K | |
| 55 | Juneau County | Very Low | 0.07 / yr | $20K | |
| 56 | Sheboygan County | Very Low | 0.20 / yr | $28K | |
| 57 | Waushara County | Very Low | 0.26 / yr | $23K | |
| 58 | Washburn County | Very Low | 0.12 / yr | $21K | |
| 59 | Pierce County | Very Low | 0.34 / yr | $29K | |
| 60 | Green Lake County | Very Low | 0.24 / yr | $14K | |
| 61 | Rusk County | Very Low | 0.26 / yr | $16K | |
| 62 | Ozaukee County | Very Low | 0.33 / yr | $34K | |
| 63 | Calumet County | Very Low | 0.28 / yr | $22K | |
| 64 | Menominee County | Very Low | 0.19 / yr | $7K | |
| 65 | Pepin County | Very Low | 0.52 / yr | $11K | |
| 66 | Bayfield County | Very Low | 0.08 / yr | $8K | |
| 67 | Kewaunee County | Very Low | 0.19 / yr | $10K | |
| 68 | Ashland County | Very Low | 0.13 / yr | $5K | |
| 69 | Iron County | Very Low | 0.10 / yr | $4K | |
| 70 | Marquette County | Very Low | 0.08 / yr | $4K | |
| 71 | Forest County | Very Low | 0.01 / yr | $653 | |
| 72 | Florence County | Very Low | 0.01 / yr | $329 |
72 Wisconsin counties with measurable ice storm risk. See the national ice storm ranking or all Wisconsin counties by overall risk.
Frequently Asked Questions
Which Wisconsin county has the highest ice storm risk?
Dane County has the highest FEMA ice storm risk score in Wisconsin at 83.4 (High), with $680K in expected annual losses and about 0.62 events per year.
How many Wisconsin counties face significant ice storm risk?
72 Wisconsin counties record measurable ice storm risk in FEMA's National Risk Index; 1 of them are rated High or Very High.