NOAA NWS / Event history
Flood Watch issued October 20 at 11:13AM MDT until October 23 at 12:00PM MDT by NWS Grand Junction CO
Flood Watch · Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges. Severe; possible; urgency: future.
- Bulletin issued
- 20 October 2026 at 17:13 UTC
- First saved by us
- 20 October 2026 at 17:25 UTC
- Last included in a daily record
- 20 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
- Source classification
- Severe · Source alert
A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.
- Issuer / area
- NWS Grand Junction CO · Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges
- Certainty / urgency
- Possible / Future
- Message expiry (not hazard end)
- 21 October 2026 at 06:00 UTC
- Forecast onset / end
- 21 October 2026 at 18:00 UTC / 23 October 2026 at 18:00 UTC
Archived official description
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of southwest Colorado, including the following areas, Animas River Basin, Four Corners/Upper Dolores River, San Juan River Basin and Southwest San Juan Mountains and Utah, including the following areas, Arches/Grand Flat, Canyonlands/Natural Bridges, La Sal and Abajo Mountains and Southeast Utah. * WHEN...From Wednesday afternoon through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, recently burned areas, and other low-lying and flood-prone locations. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - Strong thunderstorms capable of producing heavy rain could develop Wednesday afternoon, followed by widespread moderate to heavy rainfall from a surge of tropical moisture Wednesday night through Friday morning. - http://www.weather.gov/safety/flood
Instructions in this archived message
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.
The saved record
What changed
0 updates · 1 first record
Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.
First saved record · 20 October 2026 at 17:25 UTC
Saved by us
Starting point
First saved record
Our first saved version of Flood Watch issued October 20 at 11:13AM MDT until October 23 at 12:00PM MDT by NWS Grand Junction CO. We have no earlier saved version to compare.
Bulletin issued: 20 October 2026 at 17:13 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:f0b0ff5550502563d853eef2", "authorityId": "urn:oid:2.49.0.1.840.0.8363fc98c172b6fa12bc0c247b7fe914cd6740e7.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Flood Watch issued October 20 at 11:13AM MDT until October 23 at 12:00PM MDT by NWS Grand Junction CO", "eventType": "Flood Watch", "occurredAt": "2026-10-20T17:13:00.000Z", "issuedAt": "2026-10-20T17:13:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-20T17:13:00.000Z", "onsetAt": "2026-10-21T18:00:00.000Z", "expiresAt": "2026-10-21T06:00:00.000Z", "forecastEndAt": "2026-10-23T18:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Alert", "status": "Source alert", "place": "Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges", "coordinates": null, "issuer": "NWS Grand Junction CO", "summary": "Flood Watch · Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges. Severe; possible; urgency: future.", "description": "* WHAT...Flooding caused by excessive rainfall is possible.\n\n* WHERE...Portions of southwest Colorado, including the following\nareas, Animas River Basin, Four Corners/Upper Dolores River, San\nJuan River Basin and Southwest San Juan Mountains and Utah,\nincluding the following areas, Arches/Grand Flat,\nCanyonlands/Natural Bridges, La Sal and Abajo Mountains and\nSoutheast Utah.\n\n* WHEN...From Wednesday afternoon through Friday morning.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, recently burned areas, and other low-lying and\nflood-prone locations. Storm drains and ditches may become clogged\nwith debris.\n\n* ADDITIONAL DETAILS...\n- Strong thunderstorms capable of producing heavy rain could\ndevelop Wednesday afternoon, followed by widespread moderate to\nheavy rainfall from a surge of tropical moisture Wednesday night\nthrough Friday morning.\n- http://www.weather.gov/safety/flood", "instruction": "You should monitor later forecasts and be alert for possible Flood\nWarnings. Those living in areas prone to flooding should be prepared\nto take action should flooding develop.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8363fc98c172b6fa12bc0c247b7fe914cd6740e7.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.