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[INTERNATIONAL] · United States, Mexico · 20 sources

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Part of situation: Wildfire weather risks in the Western United States (2 clusters)

Tropical Storm Rachel remnants trigger flooding in US Southwest

Tropical Storm Rachel flash flooding Las Vegas weather Desert Southwest post-tropical cyclone

The remnants of Tropical Storm Rachel are causing significant weather disruptions across the Desert Southwest and Great Basin. After making landfall in Baja California, the system has transitioned into a post-tropical cyclone, but continues to bring heavy rainfall and high winds to California, Nevada, Arizona, and Utah.

In Las Vegas, the storm has broken daily rainfall records, with 1.08 inches recorded by Sunday morning, surpassing the previous record of 0.78 inches. The heavy downpours have led to flash flood warnings in Clark County, describing potentially life-threatening conditions in urban areas and highways. Widespread traffic disruptions and multiple vehicle crashes have been reported on major routes, including Interstate 11 and Interstate 215.

Forecasters warn of continued flooding risks through Monday. While some areas may experience minor flooding, others face more severe conditions. AccuWeather projects that mountainous sectors could see between four and eight inches of rain, with some local maximums potentially reaching twelve inches.

Entities

Baja California · Baton Rouge · Clark County · Columbia · Las Vegas · National Hurricane Center · National Oceanic and Atmospheric Administration · National Weather Service · Northern California · Sacramento Valley · Tropical Storm Rachel

Claims

What the coverage asserts, and how many sources carry each claim.

  • [○ 1 SOURCE] Las Vegas broke its daily rainfall record on Sunday, October 11, with 1.08 inches of rain recorded by 7 a.m. articles.thelocalreport.in
  • [○ 1 SOURCE] The NOAA reported that the system continued to produce heavy precipitation and gusts over Baja California and the Southwest on Sunday morning. www.mundonow.com
  • [○ 1 SOURCE] The National Weather Service issued a flash flood warning for parts of Clark County, describing potentially life-threatening conditions in urban areas and highways. www.stl.news
  • [○ 1 SOURCE] AccuWeather projected between four and eight inches of rain in mountainous sectors, with local maximums potentially reaching twelve inches. www.mundonow.com
  • [○ 1 SOURCE] Multiple vehicle crashes were reported on major roadways including Interstate 11, Interstate 215, Rainbow Boulevard, and Durango Drive. www.stl.news

Sources

Rachel amenaza con inundaciones el suroeste de Estados Unidos [www.mundonow.com]
Las Vegas se inunda por motivo de Rachel - nuevolaredo. tv [nuevolaredo.tv]
Tropical Storm Rachel Triggers Las Vegas Flooding and Rescues [internewscast.com]
Say goodbye to the record warmth and 80s for awhile, cooler air moves in tonight, steadily cooler through the week [www.kaaltv.com]
MONDAY BRIEFING | Oct. 12, 2026 [www.alamosacitizen.com]
Las Vegas Storms Cause Crashes, Flooding Across Valley [www.stl.news]
Red Flag Warning Issued for 3 Counties in California as Conditions Intensify [www.travelinglifestyle.net]
Tracking heat indexes near the triple digits on Tuesday [abc17news.com]
Las Vegas Flooding Shatters October Rain Record Dating Back to 1947 [time.news]
Freezing overnight lows with a chance of rain and snow for Tuesday [localnews8.com]
Arizona-Nevada Rainfall Totals: Las Vegas Hits 3 Inches After Storm Oct 11 [countryherald.com]
Lauren Bryant: Cool fall temperatures return overnight into the workweek [www.wdio.com]
Las Vegas flooding update: NWS issues flood watch as Tropical Storm Rachel brings record rainfall [articles.thelocalreport.in]
Second full week of October will bring snow, severe thunderstorms, scorching heat, and flooding [www.theweather.com]
WATCH: Shock Video Shows Las Vegas Streets Turned Into a River After Being Hit By Rare Tropical Storm [www.mediaite.com]
Flash-flood risk lingers across the Southwest after Rachel’s remnants swamped Nevada [wtop.com]
Flash-flood risk lingers across the Southwest after Rachel’s remnants swamped Nevada [www.bangordailynews.com]
Record breaking warmth possible to start the new work week [cbs58.com]
Monday AM forecast: Near-Record Heat Before a Taste of Fall Arrives [www.wbrz.com]
Dramatic moment driver trapped on top of her car after Tropical Storm Rachel hit Las Vegas [nypost.com]