NOAA NWS / Event history
Flood Watch issued October 20 at 1:30AM MST until October 22 at 10:00PM MST by NWS Tucson AZ
Flood Watch · Upper Gila River and Aravaipa Valleys including Clifton/Safford; White Mountains of Graham and Greenlee Counties including Hannagan Meadow; Galiuro and Pinaleno Mountains including Mount Graham. Severe; possible; urgency: future.
- Bulletin issued
- 20 October 2026 at 08:30 UTC
- First saved by us
- 20 October 2026 at 08:32 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 Tucson AZ · Upper Gila River and Aravaipa Valleys including Clifton/Safford; White Mountains of Graham and Greenlee Counties including Hannagan Meadow; Galiuro and Pinaleno Mountains including Mount Graham
- Certainty / urgency
- Possible / Future
- Message expiry (not hazard end)
- 21 October 2026 at 00:00 UTC
- Forecast onset / end
- 21 October 2026 at 18:00 UTC / 23 October 2026 at 05:00 UTC
Archived official description
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of Southeast Arizona, including the following areas, Galiuro and Pinaleno Mountains, Upper Gila River Valley and White Mountains of Graham and Greenlee Counties. * WHEN...From late Wednesday morning through Thursday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A strong weather system approaching the area will bring scattered showers and thunderstorms on Wednesday and widespread showers and scattered thunderstorms on Thursday. Moderate to locally heavy rainfall both days with Thursday having the higher potential for localized rainfall rates of 1 to 2 inches per hour. - 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 08:32 UTC
Saved by us
Starting point
First saved record
Our first saved version of Flood Watch issued October 20 at 1:30AM MST until October 22 at 10:00PM MST by NWS Tucson AZ. We have no earlier saved version to compare.
Bulletin issued: 20 October 2026 at 08:30 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:490e40dd073c9d99b90f86b6", "authorityId": "urn:oid:2.49.0.1.840.0.556d0c221c8330e8c73f2f6416edfeb78d7347a8.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Flood Watch issued October 20 at 1:30AM MST until October 22 at 10:00PM MST by NWS Tucson AZ", "eventType": "Flood Watch", "occurredAt": "2026-10-20T08:30:00.000Z", "issuedAt": "2026-10-20T08:30:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-20T08:30:00.000Z", "onsetAt": "2026-10-21T18:00:00.000Z", "expiresAt": "2026-10-21T00:00:00.000Z", "forecastEndAt": "2026-10-23T05:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Alert", "status": "Source alert", "place": "Upper Gila River and Aravaipa Valleys including Clifton/Safford; White Mountains of Graham and Greenlee Counties including Hannagan Meadow; Galiuro and Pinaleno Mountains including Mount Graham", "coordinates": null, "issuer": "NWS Tucson AZ", "summary": "Flood Watch · Upper Gila River and Aravaipa Valleys including Clifton/Safford; White Mountains of Graham and Greenlee Counties including Hannagan Meadow; Galiuro and Pinaleno Mountains including Mount Graham. Severe; possible; urgency: future.", "description": "* WHAT...Flooding caused by excessive rainfall is possible.\n\n* WHERE...A portion of Southeast Arizona, including the following\nareas, Galiuro and Pinaleno Mountains, Upper Gila River Valley and\nWhite Mountains of Graham and Greenlee Counties.\n\n* WHEN...From late Wednesday morning through Thursday evening.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\n\n* ADDITIONAL DETAILS...\n- A strong weather system approaching the area will bring scattered\nshowers and thunderstorms on Wednesday and widespread showers and\nscattered thunderstorms on Thursday. Moderate to locally heavy\nrainfall both days with Thursday having the higher potential for\nlocalized rainfall rates of 1 to 2 inches per hour.\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:2.49.0.1.840.0.556d0c221c8330e8c73f2f6416edfeb78d7347a8.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.