Severe · Flood WatchActive alert
Flood Watch issued September 29 at 10:07PM MDT until October 1 at
Affecting Northwestern San Juan Mountains; Southwest San Juan Mountains; San Juan River Basin
In effect until: Sep 30, 2026, 11:00 PM
Northwestern San Juan Mountains; Southwest San Juan Mountains; San Juan River Basin
Possible impact zone; conditions develop through 11:00 PM.
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Read the original bulletin (official text)
* 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
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™