FloodZoneMap.org

Flash Flood — Logan, CO

Aug 6, 2009

Severe thunderstorms produced heavy rain, large hail and damaging thunderstorm winds over parts of the Urban Corridor and Northeast Plains. In addition, lightning killed a horse in Boulder County and sparked a fire in Adams County. Heavy rain also produced a flash flood in Logan County.

Source: NOAA National Weather Service Storm Events Database (event 192408). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Logan, CO

This event is one of many recorded floods in Logan County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Logan County flood data →

More Flood Stories

Flash Flood$100K damage

Logan, CO · Jun 21, 2023

Long duration severe weather event across the northeast plains, and most of the Denver metropolitan area beginning during the early afternoon hours. Scores of tornadoes occurred across Washington and Logan counties.

Read the full account →
Flood$200K damage

Logan, CO · May 9, 2015

Areal flooding developed along the Cache La Poudre and South Platte River Basins as a combination of heavy rainfall and spring runoff unundated the region. The Cache La Poudre reached flood stage from the 10th the the 14th.

Read the full account →
Flash Flood$25K damage

Logan, CO · May 9, 2015

Areal flooding developed along the Cache La Poudre and South Platte River Basins as a combination of heavy rainfall and spring runoff unundated the region. The Cache La Poudre reached flood stage from the 10th the the 14th.

Read the full account →
Flash Flood$20K damage

Logan, CO · Jul 27, 2017

Heavy rain produced localized flash flooding southwest of Sterling and near Merino. Numerous reports of low-land flooding occurred in and around Merino. Water flooded, basements, businesses and a post office with around one inch of standing water.

Read the full account →