Drought Risk in Wisconsin
All Wisconsin counties ranked by FEMA National Risk Index drought score
Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 62 of 72 Wisconsin counties in FEMA's National Risk Index. Grant County carries the state's highest drought score at 64.7, with $366K in expected annual drought losses.
No Wisconsin county reaches the High band for drought, and expected annual losses from drought total roughly $3M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Drought
| # | County | Drought Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Grant County | Medium | 7.44 / yr | $366K | |
| 2 | Rock County | Low | 6.60 / yr | $152K | |
| 3 | Racine County | Low | 4.18 / yr | $133K | |
| 4 | Dodge County | Low | 0.83 / yr | $132K | |
| 5 | Lafayette County | Low | 5.15 / yr | $122K | |
| 6 | Jackson County | Low | 4.07 / yr | $85K | |
| 7 | Kenosha County | Low | 6.54 / yr | $107K | |
| 8 | Vernon County | Low | 5.05 / yr | $69K | |
| 9 | Walworth County | Low | 6.41 / yr | $109K | |
| 10 | Green Lake County | Low | 1.75 / yr | $64K | |
| 11 | Waushara County | Low | 1.80 / yr | $91K | |
| 12 | Buffalo County | Low | 4.23 / yr | $85K | |
| 13 | Adams County | Low | 2.91 / yr | $47K | |
| 14 | Dane County | Low | 3.44 / yr | $81K | |
| 15 | Columbia County | Low | 2.46 / yr | $67K | |
| 16 | Trempealeau County | Low | 4.20 / yr | $55K | |
| 17 | Jefferson County | Low | 1.64 / yr | $64K | |
| 18 | Pierce County | Low | 3.81 / yr | $68K | |
| 19 | Richland County | Low | 5.23 / yr | $36K | |
| 20 | Marquette County | Low | 2.56 / yr | $37K | |
| 21 | Rusk County | Low | 2.82 / yr | $35K | |
| 22 | Crawford County | Low | 5.14 / yr | $38K | |
| 23 | Pepin County | Low | 4.16 / yr | $40K | |
| 24 | Juneau County | Low | 3.40 / yr | $32K | |
| 25 | Green County | Low | 7.22 / yr | $45K | |
| 26 | Sawyer County | Low | 4.02 / yr | $26K | |
| 27 | Sauk County | Low | 3.49 / yr | $40K | |
| 28 | Washington County | Low | 0.55 / yr | $61K | |
| 29 | Waukesha County | Low | 1.23 / yr | $55K | |
| 30 | Lincoln County | Very Low | 2.80 / yr | $30K | |
| 31 | Monroe County | Very Low | 4.49 / yr | $18K | |
| 32 | Oneida County | Very Low | 3.24 / yr | $24K | |
| 33 | Washburn County | Very Low | 5.95 / yr | $20K | |
| 34 | Langlade County | Very Low | 2.53 / yr | $19K | |
| 35 | Iowa County | Very Low | 5.25 / yr | $25K | |
| 36 | Polk County | Very Low | 2.25 / yr | $17K | |
| 37 | La Crosse County | Very Low | 4.83 / yr | $21K | |
| 38 | Winnebago County | Very Low | 0.69 / yr | $18K | |
| 39 | Clark County | Very Low | 0.62 / yr | $7K | |
| 40 | Price County | Very Low | 3.44 / yr | $9K | |
| 41 | Fond du Lac County | Very Low | 0.26 / yr | $11K | |
| 42 | Burnett County | Very Low | 6.65 / yr | $6K | |
| 43 | Bayfield County | Very Low | 6.01 / yr | $5K | |
| 44 | Ozaukee County | Very Low | 0.34 / yr | $12K | |
| 45 | Barron County | Very Low | 3.09 / yr | $4K | |
| 46 | Vilas County | Very Low | 1.14 / yr | $3K | |
| 47 | Taylor County | Very Low | 0.31 / yr | $3K | |
| 48 | Marinette County | Very Low | 0.96 / yr | $3K | |
| 49 | Portage County | Very Low | 0.29 / yr | $4K | |
| 50 | Forest County | Very Low | 1.39 / yr | $2K | |
| 51 | Ashland County | Very Low | 3.47 / yr | $2K | |
| 52 | Dunn County | Very Low | 2.34 / yr | $3K | |
| 53 | Waupaca County | Very Low | 0.39 / yr | $1K | |
| 54 | Milwaukee County | Very Low | 1.46 / yr | $1K | |
| 55 | Eau Claire County | Very Low | 3.00 / yr | $2K | |
| 56 | Douglas County | Very Low | 10.17 / yr | $937 | |
| 57 | Iron County | Very Low | 3.16 / yr | $614 | |
| 58 | Wood County | Very Low | 0.61 / yr | $479 | |
| 59 | St. Croix County | Very Low | 1.82 / yr | $152 | |
| 60 | Florence County | Very Low | 1.66 / yr | $75 | |
| 61 | Oconto County | Very Low | 0.32 / yr | $59 | |
| 62 | Chippewa County | Very Low | 0.28 / yr | $21 |
62 Wisconsin counties with measurable drought risk. See the national drought ranking or all Wisconsin counties by overall risk.
Frequently Asked Questions
Which Wisconsin county has the highest drought risk?
Grant County has the highest FEMA drought risk score in Wisconsin at 64.7 (Medium), with $366K in expected annual losses and about 7.44 events per year.
How many Wisconsin counties face significant drought risk?
62 Wisconsin counties record measurable drought risk in FEMA's National Risk Index; 0 of them are rated High or Very High.