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This is a record of past federal disaster declarations, not a forecast. Federal assistance figures are aid obligated under specific programs, not total damages. For current threats, check the National Weather Service and FEMA.

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Floods in Wyoming

7 federal floods disaster declarations in Wyoming since 1953.

Floods — Wyoming — federal disaster declarations per year
19632023

Counties most affected

Natrona County2Niobrara County2Park County2Platte County2Johnson County2Washakie County2Fremont County2Sheridan County1Albany County1Weston County1Big Horn County1Campbell County1Converse County1Crook County1Hot Springs County1Laramie County1

Declarations

September 11, 2023Flood1 counties
FLOODING
August 5, 2017Flood3 counties
FLOODING
July 7, 2015Flood4 counties
SEVERE STORMS AND FLOODING
July 14, 2010Flood2 counties
FLOODING
August 7, 1985Flood1 counties
SEVERE STORMS, HAIL & FLOODING
May 29, 1978Flood12 counties
SEVERE STORMS, FLOODING & MUDSLIDES
July 4, 1963Flood
HEAVY RAINS & FLOODING

Source: OpenFEMA Disaster Declarations Summaries. History is not a forecast.

Floods in Wyoming | DisasterAtlasUSA