OpenFEMA data as of Oct 29, 2026 5,286 declarations · 3,266 counties · 59 states & territories Advertise
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7 declarations

Floods in Wyoming

Every federal declaration for floods in Wyoming, newest first. Totals for all hazards are on the Wyoming page.

7declarations 7major disasters 1963first 2023latest $13.4 millionfederal aid reported
DeclaredNumberTitleHazardAreasProgramsFederal aid
Sep 11, 2023 DR-4739-WY Flooding Flood 1PAHM $899,510
Aug 5, 2017 DR-4327-WY Flooding Flood 3PAHM $5.0 million
Jul 7, 2015 DR-4227-WY Severe Storms and Flooding Flood 4IHPPAHM $4.4 million
Jul 14, 2010 DR-1923-WY Flooding Flood 2PAHM $3.1 million
Aug 7, 1985 DR-740-WY Severe Storms, Hail & Flooding Flood 1IAPA —
May 29, 1978 DR-557-WY Severe Storms, Flooding & Mudslides Flood 12IAPA —
Jul 4, 1963 DR-155-WY Heavy Rains & Flooding Flood statewideIAPAHM —

All declarations in Wyoming   Floods in all states