Event narrative (NOAA)
Heavy snow and cool temperatures in May allowed snowpack to remain at unseasonably high levels across the southern end of the Wind River Range. With over 100 years of weather records, the month of May 2010 ranked as the third coldest at Riverton and tied as the fifth coldest at Lander, both neighboring basin towns. The first warm stretch of the early summer season came on June 2, 3, and 4, as basin temperatures finally climbed into the 70s. In turn, the large snowpack begin a rapid melt that quickly inundated area rivers and streams.||The Middle Fork of the Popo Agie River experienced a rapid rise on Friday afternoon, June 4. The rising waters caused flooding by late evening in the Popo Agie Ranch Estates subdivision south of Lander. Neighbors assisted each other with sandbagging efforts a
Other notable flood events in Wyoming
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.