A push of monsoon moisture, which began in August, fueled thunderstorms over the Mojave Desert. Several produced flash flooding, and one produced hail.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 06:00:00 to 01-SEP-23 19:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Multiple rounds of rain produced flooding throughout the day. A sinkhole near Jones and Flamingo exposed a gas pipeline. Numerous streets were flooded and closed, and many cars were stuck in flood waters around the valley. Heavy rain caved in the roof of a small business and water poured in. One person was found dead in a detention basin.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 10:30:00 to 01-SEP-23 12:00:00 (PST-8)
Location: CRYSTAL
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Valley of Fire Highway was flooded and impassable.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 11:36:00 to 01-SEP-23 13:00:00 (PST-8)
Location: MEAD LAKE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Moapa Valley Blvd was flooded and closed.

Thunderstorm Wind in CLARK, NEVADA
From 01-SEP-23 13:45:00 to 01-SEP-23 13:45:00 (PST-8)
Location: ARDEN
Magnitude: 43.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm winds blew down a large tree.

Thunderstorm Wind in CLARK, NEVADA
From 01-SEP-23 14:12:00 to 01-SEP-23 14:12:00 (PST-8)
Location: ARDEN
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in CLARK, NEVADA
From 01-SEP-23 14:40:00 to 01-SEP-23 14:45:00 (PST-8)
Location: ARDEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in NYE, NEVADA
From 01-SEP-23 15:15:00 to 01-SEP-23 16:30:00 (PST-8)
Location: JOHNNIE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Bell Vista Rd was flooded near Ash Meadows Rd.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 15:28:00 to 01-SEP-23 17:00:00 (PST-8)
Location: MOUNTAIN SPGS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 160 was flooded south of Tecopa Rd.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 17:42:00 to 01-SEP-23 19:00:00 (PST-8)
Location: MOUNTAIN SPGS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Highway 160 was flooded near mile marker 25.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 18:00:00 to 01-SEP-23 19:30:00 (PST-8)
Location: MOUNTAIN SPGS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Six swift water rescues, including two of first responders, were needed on Highway 160 near mile marker 34.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 18:41:00 to 01-SEP-23 20:30:00 (PST-8)
Location: RED ROCK CANYON
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway 159 was closed from Sky Vista Dr to Highway 160 due to flooding.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 19:32:00 to 01-SEP-23 21:00:00 (PST-8)
Location: RED ROCK CANYON
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Water and mud flowed over Calico Basin Rd.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 20:00:00 to 01-SEP-23 22:00:00 (PST-8)
Location: MOUNT CHARLESTON
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway 95 was closed from Paiute Way to Lee Canyon Rd due to flooding.

Flash Flood in CLARK, NEVADA
From 01-SEP-23 22:34:00 to 01-SEP-23 23:59:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Hidden Valley Rd was closed from I-15 to Highway 168 due to flooding.

Flash Flood in CLARK, NEVADA
From 02-SEP-23 12:45:00 to 02-SEP-23 17:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous streets and intersections were flooded, with water up to car windows in some cases. Several vehicles were stuck, including a city bus, and at least four water rescues were needed. One boy drowned.

Flash Flood in CLARK, NEVADA
From 02-SEP-23 15:00:00 to 02-SEP-23 17:00:00 (PST-8)
Location: (LSV)NELLIS AFB LAS
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Lake Mead Blvd entrance to the Lake Mead National Recreation Area was closed due to water and debris across the road at Pabco Rd.

Flash Flood in CLARK, NEVADA
From 02-SEP-23 15:15:00 to 02-SEP-23 17:00:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

Ranch Road was closed due to flooding.

Flash Flood in CLARK, NEVADA
From 02-SEP-23 16:27:00 to 02-SEP-23 19:00:00 (PST-8)
Location: JEAN ARPT
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Interstate 15 was completely inundated between mile markers 4 and 7 and closed at the CA/NV state line.