Flood in Colorado

Events

405

Deaths

18

Injuries

9

Damage

$789 million

• Flash Flooding and Flooding in Colorado, September 11 to 20, 20136 deaths · 5 injured · $654 million · 73 eventsA deep southerly flow over Colorado, ahead of a near stationary low pressure system over the Great Basin, pumped copious amounts of monsoonal moisture into the area. In addition, a weak stationary front stretched along the Front Range Foothills and Palmer Divide.
• Tornadoes and Flash Flooding in Colorado, June 17 to 22, 20231 death · 90 injured · $370,000 · EF2 · 94 eventsLong 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.
• Flooding in Colorado, June 21, 20192 deaths · 2 eventsAccelerated snowmelt due to above normal temperatures produced high and fast flow on the Gunnison River. Two women died in separate recreational accidents caused by the dangerous water conditions.
• Flood in Colorado, August 6, 19972 deaths · 1 eventHeavy rain caused small stream and urban flooding in the Canon City area. Two young boys playing in an irrigation ditch were swept to their deaths shortly after 1:00 p.m. MST.
• Flooding and Hail in Colorado, May 28 to 29, 20241 death · $3.4 million · 2 in hail · 12 eventsStrong to severe thunderstorms over the eastern plains during the early to mid evening hours. Storms built northwestward to the Greeley around where it dump hail and heavy rain causing flooding in parts of Greeley.
• Flash Flooding and Flood in Colorado, June 29 to 30, 20231 death · 5 injured · $79,000 · 2.5 in hail · 38 eventsSevere thunderstorms produced large hail, from penny to tennis ball size across parts of Jefferson, Adams, Arapahoe, Denver and Washington counties. The hail along with heavy rain caused flooding and flash flooding problems.
• Flooding in Colorado, September 15 to 21, 2013$47 million · 4 eventsThe headwaters of the South Platte River caused widespread flooding as it moved through Morgan, northwest Washington and Logan Counties. The damage was not as extensive in Sedgwick County.
• Flooding in Colorado, April 30, 1999$25 million · 7 eventsRainfall amounts of 6 to 13 inches from Wednesday night to Friday night caused fast rushing water and major flooding from the Fountain Creek watershed to the Arkansas River east of Pueblo.
• Flash Flooding and Flood in Colorado, July 29 to 30, 19971 injured · $15 million · 6 eventsHeavy rain caused flooding to occur in the Rancho Pecos apartment building. Several residents had to be evacuated from their apartments.
• Flash Flooding and Flood in Colorado, September 11 to 12, 20131 death · 5 eventsStorms produced heavy rain across western Pueblo County and western El Paso County and the Waldo Canyon burn scar. Rural roads were flooded east of Beulah. There was also flooding on US Highway 24 and numerous streets on the west side of Colorado Springs.
• Flood in Colorado, August 11, 1997$25 million · 1 eventThunderstorms moved through the city of Pueblo, producing rainfall amounts of 1 to 2 inches. Streets and intersections throughout the city were flooded, with some areas reporting up to 3 feet of standing water.
• Flooding in Colorado, June 8 to 16, 20241 death · 4 eventsSnowmelt runoff in the upper Arkansas (above Pueblo) and high flow releases from Pueblo Reservoir resulted in minor flooding at numerous forecast points along the Arkansas River.
• Flood and Damaging Wind in Colorado, August 4, 19971 death · 51 kt wind · 2 eventsHeavy thunderstorm rains across Colorado Springs produced urban and small stream flooding, and caused drainage ditches to run rapidly swell to levels of 6 to 8 feet. Two boys playing in a storm drain were caught by the fast flowing water.
• Flood in Colorado, July 6, 20191 death · 1 eventAccelerated snowmelt due to above normal temperatures produced high and fast flow on the Green River. A man died from a recreational accident caused by the dangerous water conditions in Dinosaur National Monument.
• Flood in Colorado, June 6, 20191 death · 1 eventAccelerated snowmelt due to above normal temperatures produced high and fast flow on the Eagle River. A man died from a recreational accident caused by the dangerous water conditions.
• Flood in Colorado, June 27, 20191 death · 1 eventAccelerated snowmelt due to above normal temperatures produced high and fast flow on the Rio Grande River. One women died after being swept into the dangerous water conditions in Pole Creek.
• Flood in Colorado, June 5, 20201 death · 1 eventAccelerated snowmelt due to above normal temperatures produced high and fast flow on the Eagle River. A young boy accidentally drowned while playing along the river.
• Flood in Colorado, May 21, 20231 death · 1 eventAccelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on the Colorado River. One such area was Glenwood Canyon, where an individual drowned in a rafting accident.
• Flood in Colorado, June 23, 20231 death · 1 eventAccelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on drainages in several west-central counties.
• Flood in Colorado, June 3, 20231 death · 1 eventAccelerated snowmelt from a near-record snowpack due to above normal temperatures and precipitation produced high and fast flow on drainages in several west-central counties.
• Flood in Colorado, May 29, 20231 death · 1 eventAccelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on the Roaring Fork River. One such area was between Wingo and Snowmass, Colorado, where an individual drowned after accidentally falling into the river.
• Flood in Colorado, May 6, 20231 death · 1 eventAccelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on drainages in Mesa County that stemmed from the Dolores River.
• Flooding in Colorado, May 1 to 5, 1999$7.8 million · 11 eventsThe most significant river flooding along the Arkansas River since at least 1965 was caused by widespread and persistent rainfall...especially along the eastern slopes of the southeast mountains.
• Flash Flooding and Flooding in Colorado, September 12 to 13, 2013$10 million · 5 eventsAn area of heavy rain developed across western El Paso County flooding many areas. Rock Creek, Cheyenne Creek, and Fountain Creek experienced flash flooding and flooding. Rock and Cheyenne Creek watersheds experienced significant damages to infrastructure.
• Flooding in Colorado, June 15 to 25, 2015$6.2 million · 2 eventsA levee breach along the South Platte River inundated farmland across northeast Morgan and northwest Washington Counties. The breach also washed out a Union Pacific railroad tracks with forced the closure of the railroad for several days until repair could be completed.

Flood everywhereEvery kind of event in Colorado

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.