Ice Storm Risk in Wyoming
All Wyoming 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 23 of 23 Wyoming counties in FEMA's National Risk Index. Laramie County carries the state's highest ice storm score at 91.5, with $1M in expected annual ice storm losses.
1 Wyoming county is rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $2M 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 | Laramie County | High | 0.03 / yr | $1M | |
| 2 | Carbon County | Low | 0.02 / yr | $90K | |
| 3 | Albany County | Low | 0.03 / yr | $102K | |
| 4 | Goshen County | Low | 0.03 / yr | $87K | |
| 5 | Platte County | Low | 0.03 / yr | $54K | |
| 6 | Natrona County | Low | 0.01 / yr | $67K | |
| 7 | Fremont County | Very Low | 0.01 / yr | $11K | |
| 8 | Converse County | Very Low | 0.02 / yr | $12K | |
| 9 | Sweetwater County | Very Low | 0.01 / yr | $13K | |
| 10 | Campbell County | Very Low | 0.01 / yr | $13K | |
| 11 | Park County | Very Low | 0.01 / yr | $9K | |
| 12 | Sheridan County | Very Low | 0.01 / yr | $9K | |
| 13 | Teton County | Very Low | 0.01 / yr | $9K | |
| 14 | Lincoln County | Very Low | 0.01 / yr | $7K | |
| 15 | Uinta County | Very Low | 0.01 / yr | $6K | |
| 16 | Big Horn County | Very Low | 0.01 / yr | $4K | |
| 17 | Sublette County | Very Low | 0.01 / yr | $4K | |
| 18 | Crook County | Very Low | 0.02 / yr | $4K | |
| 19 | Washakie County | Very Low | 0.01 / yr | $3K | |
| 20 | Johnson County | Very Low | 0.01 / yr | $3K | |
| 21 | Weston County | Very Low | 0.01 / yr | $3K | |
| 22 | Hot Springs County | Very Low | 0.01 / yr | $2K | |
| 23 | Niobrara County | Very Low | 0.01 / yr | $1K |
23 Wyoming counties with measurable ice storm risk. See the national ice storm ranking or all Wyoming counties by overall risk.
Frequently Asked Questions
Which Wyoming county has the highest ice storm risk?
Laramie County has the highest FEMA ice storm risk score in Wyoming at 91.5 (High), with $1M in expected annual losses and about 0.03 events per year.
How many Wyoming counties face significant ice storm risk?
23 Wyoming counties record measurable ice storm risk in FEMA's National Risk Index; 1 of them are rated High or Very High.