massoutage

Most ice-storm-prone US counties

Counties with the highest FEMA ice-storm risk — a top cause of multi-day winter outages. Ratings from FEMA's National Risk Index.

  1. 1Cook County, ILVery High
  2. 2Harris County, TXVery High
  3. 3Dallas County, TXVery High
  4. 4St. Louis County, MOVery High
  5. 5Tarrant County, TXVery High
  6. 6Hidalgo County, TXVery High
  7. 7Wayne County, MIVery High
  8. 8Allegheny County, PAVery High
  9. 9Oklahoma County, OKVery High
  10. 10Tulsa County, OKVery High
  11. 11Snohomish County, WAVery High
  12. 12Middlesex County, NJVery High
  13. 13Oakland County, MIVery High
  14. 14Capitol Planning Region, CTVery High
  15. 15Suffolk County, NYVery High
  16. 16Nassau County, NYVery High
  17. 17Middlesex County, MAVery High
  18. 18Denton County, TXVery High
  19. 19Pulaski County, ARVery High
  20. 20Macomb County, MIVery High
  21. 21Sedgwick County, KSVery High
  22. 22Douglas County, NEVery High
  23. 23Montgomery County, TXVery High
  24. 24Essex County, MAVery High
  25. 25Union County, NJVery High
  26. 26Mercer County, NJVery High
  27. 27South Central Connecticut Planning Region, CTVery High
  28. 28Johnson County, KSVery High
  29. 29Bucks County, PAVery High
  30. 30Hinds County, MSVery High
  31. 31DeKalb County, GAVery High
  32. 32Greenville County, SCVery High
  33. 33Burlington County, NJVery High
  34. 34Worcester County, MAVery High
  35. 35Guilford County, NCVery High
  36. 36Camden County, NJVery High
  37. 37Richland County, SCVery High
  38. 38Montgomery County, OHVery High
  39. 39Caddo Parish, LAVery High
  40. 40Lucas County, OHVery High
  41. 41Washington County, ARVery High
  42. 42Craighead County, ARVery High
  43. 43Forsyth County, NCVery High
  44. 44Cleveland County, OKVery High
  45. 45Onondaga County, NYVery High
  46. 46Whatcom County, WAVery High
  47. 47Lexington County, SCVery High
  48. 48Spartanburg County, SCVery High
  49. 49Greene County, MOVery High
  50. 50Spokane County, WAVery High

Source: FEMA National Risk Index. Risk ratings reflect expected annual loss from the hazard, not a forecast. See each county page for its full hazard profile + a decade of outage history.