Early May storm dumps more rain into Las Vegas Valley
Updated May 5, 2025 - 11:33 pm
The entire Las Vegas Valley was under a flood advisory Monday evening as heavy rain and lightning moved southwest into Southern Nevada.
The National Weather Service said Las Vegas, Henderson, North Las Vegas and Boulder City were under the advisory until 9 p.m., extended from 7 p.m., due to heavy rain, flooding and 40 mph winds in the area.
The advisory issued at 4 p.m. said that as much as 0.25 inches of rain have already fallen on Monday, and some pockets of the valley can expect up to half an inch of rain the coming hour.
As of 11 pm., showers continued to fall across the valley.
It's a rainy day in southern Nevada. 🌧️
Check out real-time rainfall totals from across Clark County on our rainfall map: https://t.co/hDXGfylF43 pic.twitter.com/71QNEle8fW
— Regional Flood (@RegionalFlood) May 5, 2025
Earlier Monday afternoon, only parts of Boulder City, Lake Las Vegas, Moapa Valley and Valley of Fire were under an advisory from the weather service.
Radar Update! | Clark & Mohave Counties | 2:45pm PDT
📡⛈️
Watching showers push southward through the Mojave Desert this afternoon. The rainfall pushing south of Sloan toward Primm has lightning associated with it.
When thunder roars, go indoors.#VegasWx #NvWx #AzWx pic.twitter.com/fhEoYjtfzZ— NWS Las Vegas (@NWSVegas) May 5, 2025
Rain was expected to continue into Tuesday, with a 30 percent chance of rain in the morning that is expected to drop to 10 percent Tuesday night.
Sunday rain
A daily weather record was broken in the valley on Sunday. The weather service said the daily precipitation record for May 4 was broken around 5:23 a.m. Sunday with 0.05 inches of rain.
Rainfall gauges in the Spring Mountains recorded about half an inch of rain in some areas while the rest of the Las Vegas Valley saw between 0.02 and 0.36 inches on Sunday, the weather service said.
Two gauges in the northwest valley north of the 215 Beltway recorded 0.27 and 0.36 inches of rain, according to the weather service.
Sunday Rainfall Totals in Las Vegas
🌧️
Across the Las Vegas Valley yesterday, rainfall totals ranged from 0.02 to 0.36", with several gauges in the Spring Mountains totaling over 0.50".Another couple of rounds of rainfall expected for Las Vegas this afternoon. 🙌#VegasWx pic.twitter.com/fowRg1NNxA
— NWS Las Vegas (@NWSVegas) May 5, 2025
On Monday afternoon, Clark County Regional Flood Control District gauges in the north Las Vegas Valley, southwest Henderson and east valley had recorded the most rainfall.
Two flood control district gauges near Sloan Canyon National Recreation Area south of Henderson recorded 0.47 and 0.83 inches of rain, and two gauges north of the valley near Ice Age Fossils State Park recorded 0.39 and 0.51 inches for the day, as of 7 p.m.
One gauge near Frenchman Mountain recorded 0.59 inches, and another in Clark County Wetlands Park recorded 0.63 inches.
Contact Taylor Lane at tlane@reviewjournal.com.