Winter Weather Risk in Maryland
All Maryland counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 24 of 24 Maryland counties in FEMA's National Risk Index. Baltimore County carries the state's highest winter weather score at 99.7, with $3M in expected annual winter weather losses.
10 Maryland counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $14M 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 | Baltimore County | Very High | 12.50 / yr | $3M | |
| 2 | Montgomery County | Very High | 12.06 / yr | $2M | |
| 3 | Prince George's County | Very High | 9.32 / yr | $2M | |
| 4 | Baltimore City | Very High | 10.83 / yr | $944K | |
| 5 | Anne Arundel County | High | 9.52 / yr | $1M | |
| 6 | Harford County | High | 12.73 / yr | $976K | |
| 7 | Howard County | High | 12.05 / yr | $845K | |
| 8 | Frederick County | High | 14.32 / yr | $645K | |
| 9 | Cecil County | High | 10.74 / yr | $375K | |
| 10 | Carroll County | High | 13.93 / yr | $454K | |
| 11 | Washington County | Medium | 13.69 / yr | $217K | |
| 12 | Wicomico County | Medium | 5.95 / yr | $217K | |
| 13 | Worcester County | Medium | 5.28 / yr | $149K | |
| 14 | Allegany County | Medium | 19.63 / yr | $112K | |
| 15 | Charles County | Medium | 7.95 / yr | $218K | |
| 16 | Garrett County | Medium | 29.10 / yr | $98K | |
| 17 | Queen Anne's County | Medium | 7.63 / yr | $117K | |
| 18 | Caroline County | Medium | 7.47 / yr | $90K | |
| 19 | St. Mary's County | Low | 6.53 / yr | $143K | |
| 20 | Talbot County | Low | 7.42 / yr | $81K | |
| 21 | Calvert County | Low | 6.84 / yr | $121K | |
| 22 | Kent County | Low | 8.47 / yr | $53K | |
| 23 | Dorchester County | Low | 5.95 / yr | $48K | |
| 24 | Somerset County | Low | 5.18 / yr | $35K |
24 Maryland counties with measurable winter weather risk. See the national winter weather ranking or all Maryland counties by overall risk.
Frequently Asked Questions
Which Maryland county has the highest winter weather risk?
Baltimore County has the highest FEMA winter weather risk score in Maryland at 99.7 (Very High), with $3M in expected annual losses and about 12.50 events per year.
How many Maryland counties face significant winter weather risk?
24 Maryland counties record measurable winter weather risk in FEMA's National Risk Index; 10 of them are rated High or Very High.