NOAA NWS / Event history

Flash Flood Warning issued October 21 at 6:42PM MDT until October 21 at 9:45PM MDT by NWS Salt Lake City UT

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

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Bulletin issued: 22 October 2026 at 00:42 UTC
First saved by us: 22 October 2026 at 00:55 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 03:45 UTC
Forecast onset / end: 22 October 2026 at 00:42 UTC / 22 October 2026 at 03:45 UTC

Archived official description

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Washington County in southwestern Utah... * Until 945 PM MDT. * At 642 PM MDT, Doppler radar indicated thunderstorms producing heavy rain along the Santa Clara River. Between 0.5 and 1 inch of rain has fallen. Additional thunderstorms are possible over the next couple hours. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding along the Santa Clara River, with additional impacts to urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Santa Clara and Ivins.

Instructions in this archived message

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

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 · 22 October 2026 at 00:55 UTC

Saved by us

22 October 2026 at 00:55 UTC

Starting point

First saved record

Our first saved version of Flash Flood Warning issued October 21 at 6:42PM MDT until October 21 at 9:45PM MDT by NWS Salt Lake City UT. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 00:42 UTC

View saved version 1

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

{
  "id": "nws:7c76bc8035b05ed704011c78",
  "authorityId": "urn:oid:2.49.0.1.840.0.4655ebc05d1fbe56499070e70657112252d9d3cf.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Flash Flood Warning issued October 21 at 6:42PM MDT until October 21 at 9:45PM MDT by NWS Salt Lake City UT",
  "eventType": "Flash Flood Warning",
  "occurredAt": "2026-10-22T00:42:00.000Z",
  "issuedAt": "2026-10-22T00:42:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T00:42:00.000Z",
  "onsetAt": "2026-10-22T00:42:00.000Z",
  "expiresAt": "2026-10-22T03:45:00.000Z",
  "forecastEndAt": "2026-10-22T03:45:00.000Z",
  "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...\nSouth Central Washington County in southwestern Utah...\n\n* Until 945 PM MDT.\n\n* At 642 PM MDT, Doppler radar indicated thunderstorms producing\nheavy rain along the Santa Clara River. Between 0.5 and 1 inch of\nrain has fallen. Additional thunderstorms are possible over the\nnext couple hours. Flash flooding is ongoing or expected to begin\nshortly.\n\nHAZARD...Life threatening flash flooding. Thunderstorms producing\nflash flooding.\n\nSOURCE...Radar indicated.\n\nIMPACT...Life threatening flash flooding along the Santa Clara\nRiver, with additional impacts to urban areas, highways,\nstreets and underpasses.\n\n* Some locations that will experience flash flooding include...\nSanta Clara and Ivins.",
  "instruction": "Turn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4655ebc05d1fbe56499070e70657112252d9d3cf.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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