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DR-640 · Montana

SEVERE STORMS & FLOODING

Flood · Declared May 27, 1981

Recorded incident start May 27, 1981. Recorded incident end May 27, 1981. Declaration request May 26, 1981. Recorded closeout October 23, 1987.

Open the official FEMA disaster page · Declaration data

County designations and filing dates

County programs listed by FEMA
CountyPrograms listedIndividual Assistance filing date
Broadwater County, MontanaIndividual Assistance · Public AssistanceUnavailable
Cascade County, MontanaIndividual Assistance · Public AssistanceUnavailable
Gallatin County, MontanaIndividual Assistance · Public AssistanceUnavailable
Granite County, MontanaIndividual Assistance · Public AssistanceUnavailable
Jefferson County, MontanaIndividual Assistance · Public AssistanceUnavailable
Lewis and Clark County, MontanaIndividual Assistance · Public AssistanceUnavailable
Meagher County, MontanaIndividual Assistance · Public AssistanceUnavailable
Missoula County, MontanaIndividual Assistance · Public AssistanceUnavailable
Powell County, MontanaIndividual Assistance · Public AssistanceUnavailable
Silver Bow 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