Monsoon moisture slowly seeped into the region under the big dome of high pressure which was causing record-breaking temperatures, fueling isolated to scattered thunderstorms. As the moisture increased, the main thunderstorm impact transitioned from high winds to flash flooding.

Thunderstorm Wind in LINCOLN, NEVADA
From 12-JUL-21 19:41:00 to 12-JUL-21 20:15:00 (PST-8)
Location: ELGIN
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CLARK, NEVADA
From 12-JUL-21 20:51:00 to 12-JUL-21 20:51:00 (PST-8)
Location: ARROWHEAD
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CLARK, NEVADA
From 12-JUL-21 21:15:00 to 12-JUL-21 22:22:00 (PST-8)
Location: WANN
Magnitude: 51.00 MG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Utility Company

Tree limbs were damaged just east of the Strip, and 7500 customers lost power in North Las Vegas.

Thunderstorm Wind in CLARK, NEVADA
From 12-JUL-21 21:38:00 to 12-JUL-21 21:38:00 (PST-8)
Location: BOULDER CITY
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Lightning in CLARK, NEVADA
From 12-JUL-21 22:00:00 to 12-JUL-21 22:00:00 (PST-8)
Location: LAS VEGAS
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Lightning struck a tree, snapping it and throwing the top into power lines.

Flash Flood in CLARK, NEVADA
From 12-JUL-21 23:30:00 to 13-JUL-21 00:30:00 (PST-8)
Location: CALLVILLE BAY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding left a few feet of debris over the access road, damaged the headwalk from the shore to the docks, and damaged the sewage lift station.

Thunderstorm Wind in LINCOLN, NEVADA
From 13-JUL-21 18:00:00 to 13-JUL-21 18:40:00 (PST-8)
Location: ALAMO
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CLARK, NEVADA
From 13-JUL-21 19:09:00 to 13-JUL-21 19:24:00 (PST-8)
Location: ARROWHEAD
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CLARK, NEVADA
From 13-JUL-21 19:41:00 to 13-JUL-21 19:41:00 (PST-8)
Location: MESQUITE
Magnitude: 43.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds blew a tree into a road.

Flash Flood in CLARK, NEVADA
From 14-JUL-21 20:00:00 to 14-JUL-21 22:00:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway 168 was closed from Interstate 15 to Highway 93 due to flooding.

Flash Flood in LINCOLN, NEVADA
From 14-JUL-21 20:17:00 to 14-JUL-21 22:30:00 (PST-8)
Location: ALAMO
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Major flash flooding along a section of Highway 93 locally known as The Narrows closed the highway from Interstate 15 to Caliente for a day and a half so several feet of dirt could be cleared from the highway.

Strong Wind in ESMERALDA/CENTRAL NYE, NEVADA
From 15-JUL-21 16:39:00 to 15-JUL-21 16:44:00 (PST-8)
Magnitude: 43.00 EG
Crop damage: 0.00K
Reported by: Public

Landspout. Location: 37.690N 117.190W. A landspout was photographed in open desert east of Highway 95 south of Goldfield. The location and duration are estimated, and no damage occurred.

Thunderstorm Wind in NYE, NEVADA
From 11-JUL-21 16:15:00 to 11-JUL-21 16:30:00 (PST-8)
Location: GOLD REED
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LINCOLN, NEVADA
From 11-JUL-21 18:50:00 to 11-JUL-21 18:50:00 (PST-8)
Location: ELGIN
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CLARK, NEVADA
From 11-JUL-21 20:45:00 to 11-JUL-21 20:50:00 (PST-8)
Location: LOGANDALE
Magnitude: 48.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds blew down multiple trees.

Flash Flood in CLARK, NEVADA
From 11-JUL-21 20:57:00 to 11-JUL-21 22:30:00 (PST-8)
Location: VALLEY OF FIRE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Valley of Fire Highway flooded just west of the park.

Thunderstorm Wind in CLARK, NEVADA
From 11-JUL-21 23:15:00 to 11-JUL-21 23:15:00 (PST-8)
Location: BOULDER CITY ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in NYE, NEVADA
From 12-JUL-21 17:45:00 to 12-JUL-21 17:45:00 (PST-8)
Location: (UCC)YUCCA FLATS
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet