NOAA NWS / Event history
Flash Flood Warning issued October 21 at 2:28PM MST until October 21 at 5:30PM MST by NWS Flagstaff AZ
Flash Flood Warning · Coconino, AZ. Severe; likely; urgency: immediate.
- Bulletin issued
- 21 October 2026 at 21:28 UTC
- First saved by us
- 21 October 2026 at 21:40 UTC
- Last included in a daily record
- 21 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 Flagstaff AZ · Coconino, AZ
- Certainty / urgency
- Likely / Immediate
- Message expiry (not hazard end)
- 22 October 2026 at 00:30 UTC
- Forecast onset / end
- 21 October 2026 at 21:28 UTC / 22 October 2026 at 00:30 UTC
Archived official description
FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... * Until 530 PM MST /630 PM MDT/. * At 228 PM MST /328 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Flood waters flowing in from the Moenkopi Wash are also emptying into the Little Colorado River near Cameron at this time which will elevate water levels in the warning area. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Little Colorado River Navajo Tribal Park and Salt Trail Canyon. This includes the following highways... the Colorado River near mile marker 62. State Route 64 near mile marker 282...and between mile markers 285 and 286. This includes the following recreation areas and campgrounds... Blue Water Base Camp, Old Fish Camp Site and Above LCR Camp Site. This includes the following swimming holes... Blue Water Base Camp. This includes the following creeks, washes and rivers... Little Colorado River, Moenkopi Wash, Bekihatso Wash, Sheep Wash and Colorado River.
Instructions in this archived message
Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well.
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 · 21 October 2026 at 21:40 UTC
Saved by us
Starting point
First saved record
Our first saved version of Flash Flood Warning issued October 21 at 2:28PM MST until October 21 at 5:30PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.
Bulletin issued: 21 October 2026 at 21:28 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:a881ebeda2549041a901bf27", "authorityId": "urn:oid:2.49.0.1.840.0.fff07b71e707e318cde36ee324ee467a208f90ca.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Flash Flood Warning issued October 21 at 2:28PM MST until October 21 at 5:30PM MST by NWS Flagstaff AZ", "eventType": "Flash Flood Warning", "occurredAt": "2026-10-21T21:28:00.000Z", "issuedAt": "2026-10-21T21:28:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-21T21:28:00.000Z", "onsetAt": "2026-10-21T21:28:00.000Z", "expiresAt": "2026-10-22T00:30:00.000Z", "forecastEndAt": "2026-10-22T00:30:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Likely", "messageType": "Alert", "status": "Source alert", "place": "Coconino, AZ", "coordinates": null, "issuer": "NWS Flagstaff AZ", "summary": "Flash Flood Warning · Coconino, AZ. Severe; likely; urgency: immediate.", "description": "FFWFGZ\n\nThe National Weather Service in Flagstaff has issued a\n\n* Flash Flood Warning for...\nCoconino County in north central Arizona...\n\n* Until 530 PM MST /630 PM MDT/.\n\n* At 228 PM MST /328 PM MDT/, Doppler radar indicated thunderstorms\nproducing heavy rain across the warned area. Between 0.5 and 1 inch\nof rain has fallen. Additional rainfall amounts of 0.5 to 1.5\ninches are possible in the warned area. Flash flooding is ongoing\nor expected to begin shortly. Flood waters flowing in from the\nMoenkopi Wash are also emptying into the Little Colorado River near\nCameron at this time which will elevate water levels in the warning\narea.\n\nHAZARD...Life threatening flash flooding. Thunderstorms producing\nflash flooding.\n\nSOURCE...Radar indicated.\n\nIMPACT...Life threatening flash flooding of creeks and streams,\nnormally dry washes, urban areas, highways, streets and\nunderpasses.\n\n* Some locations that will experience flash flooding include...\nLittle Colorado River Navajo Tribal Park and Salt Trail Canyon.\n\nThis includes the following highways...\nthe Colorado River near mile marker 62. State Route 64 near mile\nmarker 282...and between mile markers 285 and 286.\n\nThis includes the following recreation areas and campgrounds...\nBlue Water Base Camp, Old Fish Camp Site and Above LCR Camp Site.\n\nThis includes the following swimming holes...\nBlue Water Base Camp.\n\nThis includes the following creeks, washes and rivers...\nLittle Colorado River, Moenkopi Wash, Bekihatso Wash, Sheep Wash\nand Colorado River.", "instruction": "Flooding of washes and creeks will occur, some dirt roads will become\nmuddy and impassable. Paved roads and underpasses could become\nflooded as well.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fff07b71e707e318cde36ee324ee467a208f90ca.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.