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Jefferson County, MT Disaster Declarations

43 federal declarations have covered Jefferson County, counting statewide declarations. Most recent: DR-4915-MT on 05/29/2026.

All declarations
43
Last 10 years
14
Most common
Fire
Most recent
05/29/2026

Declarations

Newest first, including statewide declarations

Declarations naming this county per year

The last 20 years

Disaster declarations per year in Jefferson County
1
1
1
2
Beta

By incident type

  • Fire3
  • Flood3
  • Biological2
  • Severe Storm2
  • Hurricane1
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Frequently asked questions

How many disasters have been declared in Jefferson County?
Jefferson County has been covered by 43 federal disaster declarations since 1953, counting statewide declarations.
What was the last disaster declaration for Jefferson County?
DR-4915-MT, Severe Winter Storm And Straight-Line Winds, declared 05/29/2026.

Source: FEMA, OpenFEMA Disaster Declarations Summaries · Last updated 10/27/2026

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