Severe Flood ● Closed
Flood Watch issued September 29 at 10:07PM MDT until October 1 at 6:00AM MDT by NWS Grand Junction CO, United States of America
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* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Colorado, including the following areas, Animas
River Basin, Four Corners/Upper Dolores River, Northwest San Juan
Mountains, Paradox Valley/Lower Dolores River, San Juan River
Basin, Southwest San Juan Mountains and Uncompahgre Plateau and
Dallas Divide and southeast Utah, including the following areas,
Canyonlands/Natural Bridges, La Sal and Abajo Mountains and
Southeast Utah.
* WHEN...Through late Wednesday night.
* IMPACTS...Flooding will be possible over burn scars, at low-water
crossings, and along creeks, streams, washes, arroyos and other
flood-prone locations. Creeks and streams may rise out of their
banks. Unpaved roads could become muddy and impassable.
* ADDITIONAL DETAILS...
- Periods of heavy rainfall, associated with remnant moisture from
Hurricane Polo, are expected to produce numerous showers and
embedded thunderstorms. Heavy rain falling on saturated soils and
burn scars could lead to localized flash flooding and rises on
local rivers. Rainfall is expected to end by late Wednesday, but
rivers may rise out of their banks overnight Wednesday even after
rainfall has ended.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northwestern San Juan Mountains; Southwest San Juan Mountains; 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 | 2026-09-30T17:00:00-06:00 |
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 reportThis event as JSON · API and licence
Source updated 19 days ago (Sep 30, 2026 04:08 UTC) · we last heard from WMO Alert Hub (national weather services) 9 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; 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.