Colorado Severe Flood Watch | Effective 09/30/2026 15:46

Headline: 
Flood Watch issued September 30 at 4:46PM MDT until October 1 at 6:00AM MDT by NWS Grand Junction CO
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 30, 2026 - 3:46pm
Expires: 
October 1, 2026 - 5:00am
Description: 
* 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 tonight. * 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 light to moderate rainfall, associated with remnant moisture from Hurricane Polo, are expected to continue through early this evening with isolated thunderstorms possible. 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 this evening, but rivers may rise out of their banks overnight tonight even after rainfall has ended. - http://www.weather.gov/safety/flood
Instruction: 
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.
Area Description: 
Northwestern San Juan Mountains; Southwest San Juan Mountains; San Juan River Basin
Forcast Office: 
NWS Grand Junction CO
Sender: 
w-nws.webmaster@noaa.gov