Heat Wave Risk in North Dakota
All North Dakota 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 53 of 53 North Dakota counties in FEMA's National Risk Index. Cass County carries the state's highest heat wave score at 57.1, with $868K in expected annual heat wave losses.
No North Dakota county reaches the High band for heat wave, and expected annual losses from heat wave total roughly $3M 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 | Cass County | Low | 1.63 / yr | $868K | |
| 2 | Burleigh County | Low | 1.95 / yr | $552K | |
| 3 | Grand Forks County | Very Low | 1.21 / yr | $255K | |
| 4 | Ward County | Very Low | 1.00 / yr | $202K | |
| 5 | Morton County | Very Low | 2.00 / yr | $192K | |
| 6 | Stutsman County | Very Low | 1.58 / yr | $98K | |
| 7 | Richland County | Very Low | 2.00 / yr | $96K | |
| 8 | Stark County | Very Low | 1.05 / yr | $103K | |
| 9 | Williams County | Very Low | 0.79 / yr | $94K | |
| 10 | McKenzie County | Very Low | 1.00 / yr | $80K | |
| 11 | Barnes County | Very Low | 1.53 / yr | $49K | |
| 12 | Sioux County | Very Low | 1.95 / yr | $24K | |
| 13 | McLean County | Very Low | 1.58 / yr | $48K | |
| 14 | Slope County | Very Low | 1.00 / yr | $40K | |
| 15 | Dickey County | Very Low | 2.00 / yr | $31K | |
| 16 | Mercer County | Very Low | 1.58 / yr | $43K | |
| 17 | Mountrail County | Very Low | 0.84 / yr | $29K | |
| 18 | Ransom County | Very Low | 1.84 / yr | $34K | |
| 19 | Rolette County | Very Low | 0.47 / yr | $17K | |
| 20 | Walsh County | Very Low | 1.06 / yr | $35K | |
| 21 | Emmons County | Very Low | 1.95 / yr | $21K | |
| 22 | Pembina County | Very Low | 1.05 / yr | $21K | |
| 23 | Benson County | Very Low | 0.84 / yr | $14K | |
| 24 | LaMoure County | Very Low | 2.00 / yr | $25K | |
| 25 | Ramsey County | Very Low | 0.79 / yr | $27K | |
| 26 | McIntosh County | Very Low | 1.79 / yr | $13K | |
| 27 | Traill County | Very Low | 1.32 / yr | $31K | |
| 28 | Grant County | Very Low | 1.89 / yr | $15K | |
| 29 | Sargent County | Very Low | 1.95 / yr | $26K | |
| 30 | Golden Valley County | Very Low | 1.00 / yr | $15K | |
| 31 | Wells County | Very Low | 1.32 / yr | $15K | |
| 32 | Dunn County | Very Low | 1.11 / yr | $13K | |
| 33 | Foster County | Very Low | 1.32 / yr | $13K | |
| 34 | Adams County | Very Low | 1.16 / yr | $10K | |
| 35 | Hettinger County | Very Low | 1.11 / yr | $11K | |
| 36 | Logan County | Very Low | 1.68 / yr | $10K | |
| 37 | Nelson County | Very Low | 1.00 / yr | $9K | |
| 38 | McHenry County | Very Low | 0.95 / yr | $15K | |
| 39 | Bottineau County | Very Low | 0.58 / yr | $11K | |
| 40 | Bowman County | Very Low | 1.00 / yr | $13K | |
| 41 | Kidder County | Very Low | 1.53 / yr | $11K | |
| 42 | Griggs County | Very Low | 1.21 / yr | $8K | |
| 43 | Divide County | Very Low | 0.58 / yr | $6K | |
| 44 | Pierce County | Very Low | 0.84 / yr | $10K | |
| 45 | Cavalier County | Very Low | 0.58 / yr | $6K | |
| 46 | Oliver County | Very Low | 1.74 / yr | $9K | |
| 47 | Steele County | Very Low | 1.32 / yr | $7K | |
| 48 | Sheridan County | Very Low | 1.37 / yr | $7K | |
| 49 | Eddy County | Very Low | 0.89 / yr | $6K | |
| 50 | Towner County | Very Low | 0.68 / yr | $4K | |
| 51 | Renville County | Very Low | 0.63 / yr | $4K | |
| 52 | Burke County | Very Low | 0.53 / yr | $4K | |
| 53 | Billings County | Very Low | 1.00 / yr | $3K |
53 North Dakota counties with measurable heat wave risk. See the national heat wave ranking or all North Dakota counties by overall risk.
Frequently Asked Questions
Which North Dakota county has the highest heat wave risk?
Cass County has the highest FEMA heat wave risk score in North Dakota at 57.1 (Low), with $868K in expected annual losses and about 1.63 events per year.
How many North Dakota counties face significant heat wave risk?
53 North Dakota counties record measurable heat wave risk in FEMA's National Risk Index; 0 of them are rated High or Very High.