NOAA NWS / Event history

Flash Flood Warning issued October 21 at 4:55PM MDT until October 21 at 7:45PM MDT by NWS Salt Lake City UT

Flash Flood Warning · Washington, UT. Severe; likely; urgency: immediate.

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Bulletin issued: 21 October 2026 at 22:55 UTC
First saved by us: 21 October 2026 at 23:10 UTC
Last included in a daily record: 22 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 Salt Lake City UT · Washington, UT
Certainty / urgency: Likely / Immediate
Message expiry (not hazard end): 22 October 2026 at 01:45 UTC
Forecast onset / end: 21 October 2026 at 22:55 UTC / 22 October 2026 at 01:45 UTC

Archived official description

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Southern Washington County in southwestern Utah... * Until 745 PM MDT. * At 455 PM MDT, The USGS gage on Fort Pearce Wash has reported a rise of roughly 5 feet due to runoff from heavy rain due to earlier thunderstorms. Between 0.25 and 0.75 inches of rain previously fell. This flood wave will continue downstream to its confluence with the Virgin River. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Gauges reported. IMPACT...Life threatening flash flooding of normally dry washes... specifically Fort Pearce Wash. * Some locations that will experience flash flooding include... Fort Pearce Wash.

Instructions in this archived message

Move to higher ground now. Act quickly to protect your life. Stay away or be swept away. River banks and culverts can become unstable and unsafe.

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 23:10 UTC

Saved by us

21 October 2026 at 23:10 UTC

Starting point

First saved record

Our first saved version of Flash Flood Warning issued October 21 at 4:55PM MDT until October 21 at 7:45PM MDT by NWS Salt Lake City UT. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 22:55 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:48952aba94e9fe5f1658bbd8",
  "authorityId": "urn:oid:2.49.0.1.840.0.9f98b1f0952b5f7ecb763b2de0c44dba3773746c.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Flash Flood Warning issued October 21 at 4:55PM MDT until October 21 at 7:45PM MDT by NWS Salt Lake City UT",
  "eventType": "Flash Flood Warning",
  "occurredAt": "2026-10-21T22:55:00.000Z",
  "issuedAt": "2026-10-21T22:55:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T22:55:00.000Z",
  "onsetAt": "2026-10-21T22:55:00.000Z",
  "expiresAt": "2026-10-22T01:45:00.000Z",
  "forecastEndAt": "2026-10-22T01:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Washington, UT",
  "coordinates": null,
  "issuer": "NWS Salt Lake City UT",
  "summary": "Flash Flood Warning · Washington, UT. Severe; likely; urgency: immediate.",
  "description": "FFWSLC\n\nThe National Weather Service in Salt Lake City has issued a\n\n* Flash Flood Warning for...\nSouthern Washington County in southwestern Utah...\n\n* Until 745 PM MDT.\n\n* At 455 PM MDT, The USGS gage on Fort Pearce Wash has reported a\nrise of roughly 5 feet due to runoff from heavy rain due to earlier\nthunderstorms. Between 0.25 and 0.75 inches of rain previously\nfell. This flood wave will continue downstream to its confluence\nwith the Virgin River. Flash flooding is already occurring.\n\nHAZARD...Life threatening flash flooding. Thunderstorms producing\nflash flooding.\n\nSOURCE...Gauges reported.\n\nIMPACT...Life threatening flash flooding of normally dry washes...\nspecifically Fort Pearce Wash.\n\n* Some locations that will experience flash flooding include...\nFort Pearce Wash.",
  "instruction": "Move to higher ground now. Act quickly to protect your life.\n\nStay away or be swept away. River banks and culverts can become\nunstable and unsafe.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9f98b1f0952b5f7ecb763b2de0c44dba3773746c.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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