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DR-558 · Montana

SEVERE STORMS & FLOODING

Flood · Declared May 29, 1978

Recorded incident start May 29, 1978. Recorded incident end May 29, 1978. Declaration request May 26, 1978. Recorded closeout November 5, 1988.

Open the official FEMA disaster page · Declaration data

County designations and filing dates

County programs listed by FEMA
CountyPrograms listedIndividual Assistance filing date
Big Horn County, MontanaIndividual Assistance · Public AssistanceUnavailable
Carbon County, MontanaIndividual Assistance · Public AssistanceUnavailable
Powder River County, MontanaIndividual Assistance · Public AssistanceUnavailable
Rosebud County, MontanaIndividual Assistance · Public AssistanceUnavailable
Stillwater County, MontanaIndividual Assistance · Public AssistanceUnavailable
Treasure County, MontanaIndividual Assistance · Public AssistanceUnavailable
Yellowstone County, MontanaIndividual Assistance · Public AssistanceUnavailable

How to read these FEMA records

America.co analysis of Federal Emergency Management Agency OpenFEMA data, retrieved November 10, 2026.

FEMA declarations · Owner assistance data · Renter assistance data · Funded project data · Grant award activity