Cold Wave Risk in Utah
All Utah counties ranked by FEMA National Risk Index cold wave score
Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 27 of 29 Utah counties in FEMA's National Risk Index. Cache County carries the state's highest cold wave score at 53.6, with $2M in expected annual cold wave losses.
No Utah county reaches the High band for cold wave, and expected annual losses from cold wave total roughly $8M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Cold Wave
| # | County | Cold Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Cache County | Low | 0.24 / yr | $2M | |
| 2 | Davis County | Low | 0.16 / yr | $2M | |
| 3 | Weber County | Low | 0.17 / yr | $1M | |
| 4 | Utah County | Low | 0.02 / yr | $1M | |
| 5 | Salt Lake County | Low | 0.06 / yr | $696K | |
| 6 | Box Elder County | Very Low | 0.08 / yr | $434K | |
| 7 | Uintah County | Very Low | 0.12 / yr | $186K | |
| 8 | Iron County | Very Low | 0.03 / yr | $76K | |
| 9 | Summit County | Very Low | 0.07 / yr | $102K | |
| 10 | Wasatch County | Very Low | 0.03 / yr | $59K | |
| 11 | Rich County | Very Low | 0.27 / yr | $42K | |
| 12 | Duchesne County | Very Low | 0.04 / yr | $36K | |
| 13 | Millard County | Very Low | 0.04 / yr | $20K | |
| 14 | Washington County | Very Low | 0.03 / yr | $18K | |
| 15 | Beaver County | Very Low | 0.04 / yr | $15K | |
| 16 | Morgan County | Very Low | 0.18 / yr | $25K | |
| 17 | Wayne County | Very Low | 0.02 / yr | $7K | |
| 18 | Daggett County | Very Low | 0.16 / yr | $5K | |
| 19 | Garfield County | Very Low | 0.01 / yr | $3K | |
| 20 | Tooele County | Very Low | 0.05 / yr | $4K | |
| 21 | Juab County | Very Low | 0.04 / yr | $2K | |
| 22 | Grand County | Very Low | 0.02 / yr | $511 | |
| 23 | Kane County | Very Low | 0.00 / yr | $21 | |
| 24 | San Juan County | Very Low | 0.00 / yr | $4 | |
| 25 | Emery County | Very Low | 0.00 / yr | $0 | |
| 26 | Sevier County | Very Low | 0.00 / yr | $0 | |
| 27 | Carbon County | Very Low | 0.00 / yr | $0 |
27 Utah counties with measurable cold wave risk. See the national cold wave ranking or all Utah counties by overall risk.
Frequently Asked Questions
Which Utah county has the highest cold wave risk?
Cache County has the highest FEMA cold wave risk score in Utah at 53.6 (Low), with $2M in expected annual losses and about 0.24 events per year.
How many Utah counties face significant cold wave risk?
27 Utah counties record measurable cold wave risk in FEMA's National Risk Index; 0 of them are rated High or Very High.