Occurred Oct 21, 2026, 11:46:00 PM UTC

First published Oct 22, 2026, 12:21:15 AM UTC · Last updated Oct 22, 2026, 12:21:15 AM UTC

Floods

Flash Flood Warning — NWS Las Vegas NV

Original source title

Flash Flood Warning issued October 21 at 4:46PM PDT until October 21 at 7:45PM PDT by NWS Las Vegas NV

Reported by U.S. National Weather Service Alerts NWS

The National Weather Service office in Las Vegas warned of flash flooding in parts of Inyo and San Bernardino counties, California, through 7:45 PM PDT on October 21, 2026. The source reports life-threatening flooding as ongoing or imminent and advises avoiding flooded roads.

At a glance

Affected location: Inyo County and San Bernardino County, California

Illustrative image: Sacramento River In Redding California — Noah_Loverbear/Wikimedia Commons, CC BY-SA 3.0

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Why it matters

The warning describes immediate life-threatening flood danger and urges people not to enter flooded roads.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Flash Flood Warning issued October 21 at 4:46PM PDT until October 21 at 7:45PM PDT by NWS Las Vegas NV

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Special Marine Warning issued October 21 at 6:16PM PDT until October 21 at 8:15PM PDT by NWS Los Angeles/Oxnard CAOct 22, 2026, 1:16 AM UTC
The National Weather Service issued a warning for severe thunderstorms, with wind gusts above 50 knots and small hail, across coastal waters from Point Piedras Blancas to San Clemente Island, California. It was in effect until 8:15 PM PDT.
Nearby · within 200 km
NWS Las Vegas Issues Flash Flood Warning for Southern Inyo County, CaliforniaOct 22, 2026, 12:00 AM UTC
Emergency management reported flash flooding already occurring in the warned area, with flooding along Highway 190 and around Panamint Valley Road. The warning was extended through 7:45 PM PDT, and the source advises avoiding flooded roads.
Same topic
Flash Flood Warning issued October 21 at 6:42PM MDT until October 21 at 9:45PM MDT by NWS Salt Lake City UTOct 22, 2026, 12:42 AM UTC
The National Weather Service reported life-threatening flash flooding ongoing or expected shortly in south central Washington County, Utah, after radar indicated heavy rain near the Santa Clara River. Santa Clara and Ivins were among the affected locations, and officials advised turning around at flooded roads.
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Flash Flood Warning issued October 21 at 5:35PM MDT until October 21 at 8:00PM MDT by NWS Albuquerque NMOct 21, 2026, 11:35 PM UTC
The National Weather Service in Albuquerque issued a flash flood warning for southwestern McKinley County, New Mexico, until 8:00 PM MDT on October 21, 2026. The source reports flash flooding ongoing or expected shortly and advises people not to enter or cross flooded roads or flowing water.
Same topic
Coastal Flood Warning issued October 21 at 3:09PM AKDT until October 25 at 10:00PM AKDT by NWS Fairbanks AKOct 21, 2026, 11:09 PM UTC
The warning forecasts coastal flooding on the Yukon Delta Coast, especially Hooper Bay, from Friday morning through Sunday evening. In Hooper Bay, beach property, the lowest buildings, and access roads to the airstrip and larger parts of town are expected to be inundated.
Same topic
Flash Flood Warnings — Salt Lake CityOct 21, 2026, 10:55 PM UTC
4 related advisories are grouped here. Expand the group to review every affected area and source advisory.

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