NOAA NWS / Event history
Flood Watch issued October 20 at 12:04AM MST until October 22 at 5:00PM MST by NWS Phoenix AZ
Flood Watch · Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon. Severe; possible; urgency: future.
- Bulletin issued
- 20 October 2026 at 07:04 UTC
- First saved by us
- 20 October 2026 at 07:17 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 Phoenix AZ · Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon
- Certainty / urgency
- Possible / Future
- Message expiry (not hazard end)
- 20 October 2026 at 21:00 UTC
- Forecast onset / end
- 22 October 2026 at 03:00 UTC / 23 October 2026 at 00:00 UTC
Archived official description
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Apache Junction/Gold Canyon, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, East Valley, Fountain Hills/East Mesa, North Phoenix/Glendale, Northwest Pinal County, Northwest Valley, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Tonopah Desert and West Pinal County. * WHEN...From Wednesday evening through Thursday afternoon. * 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 affecting the region will bring widespread showers and thunderstorms, particularly from Wednesday evening through Thursday afternoon. Moderate to heavy rainfall with localized rainfall rates upwards of 1 to 2 inches per hour will be possible at times. - http://www.weather.gov/safety/flood
Instructions in this archived message
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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 07:17 UTC
Saved by us
Starting point
First saved record
Our first saved version of Flood Watch issued October 20 at 12:04AM MST until October 22 at 5:00PM MST by NWS Phoenix AZ. We have no earlier saved version to compare.
Bulletin issued: 20 October 2026 at 07:04 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:5ff0365c06ac3e30016c0f4a", "authorityId": "urn:oid:2.49.0.1.840.0.6e93f7e4c535dd27f16fd41e4e9184460785d1c3.002.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Flood Watch issued October 20 at 12:04AM MST until October 22 at 5:00PM MST by NWS Phoenix AZ", "eventType": "Flood Watch", "occurredAt": "2026-10-20T07:04:00.000Z", "issuedAt": "2026-10-20T07:04:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-20T07:04:00.000Z", "onsetAt": "2026-10-22T03:00:00.000Z", "expiresAt": "2026-10-20T21:00:00.000Z", "forecastEndAt": "2026-10-23T00:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Alert", "status": "Source alert", "place": "Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon", "coordinates": null, "issuer": "NWS Phoenix AZ", "summary": "Flood Watch · Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon. Severe; possible; urgency: future.", "description": "* WHAT...Flash flooding caused by excessive rainfall is possible.\n\n* WHERE...A portion of south central Arizona, including the following\nareas, Aguila Valley, Apache Junction/Gold Canyon,\nBuckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer\nValley, East Valley, Fountain Hills/East Mesa, North\nPhoenix/Glendale, Northwest Pinal County, Northwest Valley,\nScottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast\nValley/Queen Creek, Tonopah Desert and West Pinal County.\n\n* WHEN...From Wednesday evening through Thursday afternoon.\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 affecting the region will bring\nwidespread showers and thunderstorms, particularly from Wednesday\nevening through Thursday afternoon. Moderate to heavy rainfall\nwith localized rainfall rates upwards of 1 to 2 inches per hour\nwill be possible at times.\n- http://www.weather.gov/safety/flood", "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6e93f7e4c535dd27f16fd41e4e9184460785d1c3.002.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.