Winter Weather Risk in Wyoming
All Wyoming counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 23 of 23 Wyoming counties in FEMA's National Risk Index. Laramie County carries the state's highest winter weather score at 97.1, with $1M in expected annual winter weather losses.
8 Wyoming counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $7M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Winter Weather
| # | County | Winter Weather Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Laramie County | Very High | 20.93 / yr | $1M | |
| 2 | Natrona County | Very High | 17.39 / yr | $1M | |
| 3 | Sheridan County | High | 25.91 / yr | $608K | |
| 4 | Albany County | High | 24.74 / yr | $493K | |
| 5 | Campbell County | High | 15.55 / yr | $511K | |
| 6 | Lincoln County | High | 24.99 / yr | $359K | |
| 7 | Uinta County | High | 21.48 / yr | $371K | |
| 8 | Sweetwater County | High | 13.01 / yr | $339K | |
| 9 | Fremont County | Medium | 18.28 / yr | $232K | |
| 10 | Converse County | Medium | 19.12 / yr | $248K | |
| 11 | Platte County | Medium | 18.23 / yr | $150K | |
| 12 | Goshen County | Medium | 15.85 / yr | $207K | |
| 13 | Carbon County | Medium | 24.50 / yr | $130K | |
| 14 | Crook County | Medium | 19.94 / yr | $122K | |
| 15 | Johnson County | Medium | 16.70 / yr | $110K | |
| 16 | Park County | Medium | 23.27 / yr | $106K | |
| 17 | Teton County | Medium | 38.47 / yr | $145K | |
| 18 | Weston County | Low | 15.53 / yr | $90K | |
| 19 | Niobrara County | Low | 17.26 / yr | $40K | |
| 20 | Big Horn County | Low | 10.82 / yr | $49K | |
| 21 | Washakie County | Low | 10.64 / yr | $24K | |
| 22 | Sublette County | Very Low | 21.12 / yr | $2K | |
| 23 | Hot Springs County | Very Low | 12.50 / yr | $936 |
23 Wyoming counties with measurable winter weather risk. See the national winter weather ranking or all Wyoming counties by overall risk.
Frequently Asked Questions
Which Wyoming county has the highest winter weather risk?
Laramie County has the highest FEMA winter weather risk score in Wyoming at 97.1 (Very High), with $1M in expected annual losses and about 20.93 events per year.
How many Wyoming counties face significant winter weather risk?
23 Wyoming counties record measurable winter weather risk in FEMA's National Risk Index; 8 of them are rated High or Very High.