Heat Wave Risk in Minnesota
All Minnesota counties ranked by FEMA National Risk Index heat wave score
Heat Wave risk — prolonged periods of extreme heat that threaten health and infrastructure — is rated for 87 of 87 Minnesota counties in FEMA's National Risk Index. Hennepin County carries the state's highest heat wave score at 99.1, with $39M in expected annual heat wave losses.
2 Minnesota counties are rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $103M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Heat Wave
| # | County | Heat Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Hennepin County | High | 6.68 / yr | $39M | |
| 2 | Ramsey County | High | 6.68 / yr | $17M | |
| 3 | Yellow Medicine County | Medium | 4.21 / yr | $3M | |
| 4 | St. Louis County | Medium | 0.34 / yr | $2M | |
| 5 | Anoka County | Medium | 5.95 / yr | $4M | |
| 6 | Dakota County | Medium | 6.16 / yr | $3M | |
| 7 | Scott County | Medium | 6.32 / yr | $3M | |
| 8 | Washington County | Medium | 6.05 / yr | $3M | |
| 9 | Itasca County | Medium | 0.83 / yr | $1M | |
| 10 | Stearns County | Low | 2.63 / yr | $1M | |
| 11 | Carver County | Low | 6.26 / yr | $2M | |
| 12 | Olmsted County | Low | 3.42 / yr | $2M | |
| 13 | Wright County | Low | 4.16 / yr | $2M | |
| 14 | Chippewa County | Low | 3.95 / yr | $836K | |
| 15 | Blue Earth County | Low | 5.21 / yr | $948K | |
| 16 | Redwood County | Low | 4.53 / yr | $889K | |
| 17 | Swift County | Low | 3.47 / yr | $589K | |
| 18 | Carlton County | Low | 0.95 / yr | $677K | |
| 19 | Lac qui Parle County | Low | 4.05 / yr | $578K | |
| 20 | Sherburne County | Low | 3.37 / yr | $943K | |
| 21 | Renville County | Low | 4.37 / yr | $528K | |
| 22 | Winona County | Low | 3.63 / yr | $567K | |
| 23 | Kandiyohi County | Low | 3.53 / yr | $549K | |
| 24 | Crow Wing County | Low | 1.53 / yr | $531K | |
| 25 | McLeod County | Low | 4.58 / yr | $540K | |
| 26 | Nicollet County | Low | 5.21 / yr | $521K | |
| 27 | Rice County | Low | 4.89 / yr | $421K | |
| 28 | Cass County | Low | 1.19 / yr | $313K | |
| 29 | Lincoln County | Low | 3.16 / yr | $400K | |
| 30 | Cottonwood County | Low | 3.68 / yr | $303K | |
| 31 | Benton County | Low | 2.37 / yr | $330K | |
| 32 | Murray County | Low | 3.37 / yr | $291K | |
| 33 | Pine County | Low | 1.84 / yr | $271K | |
| 34 | Meeker County | Low | 3.53 / yr | $364K | |
| 35 | Aitkin County | Low | 1.32 / yr | $217K | |
| 36 | Nobles County | Low | 3.63 / yr | $218K | |
| 37 | Brown County | Low | 5.26 / yr | $388K | |
| 38 | Otter Tail County | Low | 1.27 / yr | $236K | |
| 39 | Martin County | Low | 4.79 / yr | $229K | |
| 40 | Watonwan County | Low | 5.16 / yr | $242K | |
| 41 | Pipestone County | Low | 3.37 / yr | $317K | |
| 42 | Mower County | Low | 3.63 / yr | $247K | |
| 43 | Le Sueur County | Low | 5.21 / yr | $418K | |
| 44 | Beltrami County | Low | 0.63 / yr | $215K | |
| 45 | Chisago County | Low | 2.95 / yr | $357K | |
| 46 | Clay County | Very Low | 1.47 / yr | $278K | |
| 47 | Douglas County | Very Low | 2.05 / yr | $242K | |
| 48 | Goodhue County | Very Low | 4.26 / yr | $394K | |
| 49 | Isanti County | Very Low | 3.00 / yr | $354K | |
| 50 | Koochiching County | Very Low | 0.79 / yr | $172K | |
| 51 | Todd County | Very Low | 1.79 / yr | $178K | |
| 52 | Pope County | Very Low | 2.47 / yr | $218K | |
| 53 | Morrison County | Very Low | 1.84 / yr | $220K | |
| 54 | Fillmore County | Very Low | 3.58 / yr | $198K | |
| 55 | Faribault County | Very Low | 4.79 / yr | $167K | |
| 56 | Sibley County | Very Low | 5.11 / yr | $315K | |
| 57 | Houston County | Very Low | 3.84 / yr | $267K | |
| 58 | Lyon County | Very Low | 3.47 / yr | $264K | |
| 59 | Wabasha County | Very Low | 3.63 / yr | $203K | |
| 60 | Big Stone County | Very Low | 2.63 / yr | $143K | |
| 61 | Stevens County | Very Low | 2.74 / yr | $238K | |
| 62 | Mille Lacs County | Very Low | 1.95 / yr | $148K | |
| 63 | Jackson County | Very Low | 3.58 / yr | $154K | |
| 64 | Kanabec County | Very Low | 2.00 / yr | $124K | |
| 65 | Becker County | Very Low | 0.87 / yr | $107K | |
| 66 | Freeborn County | Very Low | 4.26 / yr | $108K | |
| 67 | Steele County | Very Low | 4.21 / yr | $188K | |
| 68 | Polk County | Very Low | 1.07 / yr | $99K | |
| 69 | Dodge County | Very Low | 3.53 / yr | $157K | |
| 70 | Rock County | Very Low | 4.05 / yr | $107K | |
| 71 | Lake County | Very Low | 0.23 / yr | $72K | |
| 72 | Hubbard County | Very Low | 0.68 / yr | $71K | |
| 73 | Waseca County | Very Low | 4.89 / yr | $62K | |
| 74 | Wadena County | Very Low | 0.95 / yr | $48K | |
| 75 | Traverse County | Very Low | 2.37 / yr | $48K | |
| 76 | Roseau County | Very Low | 0.79 / yr | $44K | |
| 77 | Pennington County | Very Low | 0.84 / yr | $41K | |
| 78 | Grant County | Very Low | 1.47 / yr | $51K | |
| 79 | Marshall County | Very Low | 0.97 / yr | $30K | |
| 80 | Norman County | Very Low | 1.26 / yr | $25K | |
| 81 | Clearwater County | Very Low | 0.71 / yr | $26K | |
| 82 | Mahnomen County | Very Low | 0.79 / yr | $14K | |
| 83 | Wilkin County | Very Low | 1.74 / yr | $33K | |
| 84 | Cook County | Very Low | 0.21 / yr | $11K | |
| 85 | Red Lake County | Very Low | 0.84 / yr | $11K | |
| 86 | Kittson County | Very Low | 1.05 / yr | $13K | |
| 87 | Lake of the Woods County | Very Low | 0.63 / yr | $11K |
87 Minnesota counties with measurable heat wave risk. See the national heat wave ranking or all Minnesota counties by overall risk.
Frequently Asked Questions
Which Minnesota county has the highest heat wave risk?
Hennepin County has the highest FEMA heat wave risk score in Minnesota at 99.1 (High), with $39M in expected annual losses and about 6.68 events per year.
How many Minnesota counties face significant heat wave risk?
87 Minnesota counties record measurable heat wave risk in FEMA's National Risk Index; 2 of them are rated High or Very High.