Severe Flood ● Closed
Flood Watch issued September 16 at 9:39AM MDT until September 18 at 12:00AM MDT by NWS Grand Junction CO, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of southwest Colorado, including the following
areas, Animas River Basin, Four Corners/Upper Dolores River,
Northwest San Juan Mountains, San Juan River Basin and Southwest
San Juan Mountains.
* WHEN...Through Thursday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
This also includes the Gold Mountain, Elk and Ferris burn scars as
well as areas of steep, susceptible terrain.
* ADDITIONAL DETAILS...
- Recent heavy rainfall in southwest Colorado has led to already
saturated ground. In addition, multiple rounds of showers and
thunderstorms are expected Wednesday afternoon through Thursday
evening producing periods of heavy rainfall and potential flash
flooding.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northwestern San Juan Mountains; Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-17T06:00:00-06:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 33 days ago (Sep 16, 2026 15:41 UTC) · we last heard from WMO Alert Hub (national weather services) 2 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Northwestern San Juan Mountains; Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.