FloodZoneMap.org

Flash Flood — Mesa, CO

Jul 25, 2021

Abundant monsoon moisture remained in place across the Western Slope. As a result, another round of widespread showers and thunderstorms developed across the area with many storms producing heavy rain. This led to localized flash flooding and debris flows across portions of Mesa, Ouray and Gunnison counties.

Source: NOAA National Weather Service Storm Events Database (event 965679). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Mesa, CO

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

View Mesa County flood data →

More Flood Stories

Flood1 death

Mesa, CO · May 6, 2023

Accelerated 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.

Read the full account →
Flash Flood$80K damage

Mesa, CO · Jun 4, 2025

Anomalously deep moisture was present across southeast Utah and southwest Colorado on the afternoon of June 4th. Enough sunshine had gotten through during the morning hours to create afternoon instability of 500-1000 J/Kg, more than enough to produce some strong storms.

Read the full account →
Flash Flood$20K damage

Mesa, CO · Sep 4, 2025

On September 4th, precipitable water values increased to above normal values, with the 18z Grand Junction sounding showing 0.69 inches of precipitable water.

Read the full account →
Flash Flood$10K damage

Mesa, CO · Jul 31, 2021

High pressure retrograted in response to a deepening mid-level trough over the center of the nation and parked over western Colorado. Even so, subtropical moisture remained entrenched over the area with precipitable water values exceeding an inch and trending over 150% of the…

Read the full account →