Severe Storms Sweep Through Las Vegas Valley: Latest Updates from 8 News Now

Severe Thunderstorm Warning Expired: System Weakens

A Severe Thunderstorm Warning that was previously in effect has now expired. The perhaps dangerous weather system that prompted the alert has weakened, according to recent reports.

Storm’s Intensity Decreases

Authorities confirmed the warning concluded at 2:15 P.M. Local Time. The storm, which initially posed a important threat, has diminished in intensity, leading officials to call off the alert. While the immediate danger has passed, residents are encouraged to remain vigilant and monitor weather updates.

Did You Know? The national Weather Service issued 768 Severe Thunderstorm Warnings across the United States in July 2024, highlighting the frequency of these weather events during peak storm season. National Weather Service

Understanding Severe Thunderstorm Warnings

severe Thunderstorm Warnings are issued when a thunderstorm is occurring with hail one inch in diameter or larger, and/or winds of 58 miles per hour or greater. these conditions can cause significant damage and pose a threat to life and property. It is indeed crucial to take immediate precautions when such a warning is issued.

Pro Tip: develop a family emergency plan and ensure everyone knows where to shelter during severe weather events.

The National Oceanic and Atmospheric Administration (NOAA) offers extensive resources on thunderstorm safety. NOAA Thunderstorm Safety

Warning Type	Criteria	Potential Hazards
severe thunderstorm Warning	Hail ≥ 1 inch diameter, Winds ≥ 58 mph	Property Damage, Injury, Flash Flooding
Thunderstorm Watch	Conditions favorable for severe thunderstorms	Be prepared to take shelter

Staying Safe during Thunderstorms

Even though the immediate threat has subsided, it’s important to be prepared for future storms. Here are some guidelines to follow:

• Seek shelter indoors: The safest place to be during a thunderstorm is inside a sturdy building.
• Avoid water: Stay away from bodies of water, as lightning can travel through water.
• unplug electronics: Disconnect electronic devices to protect them from power surges.
• stay informed: Monitor weather updates from reliable sources like the National Weather Service.

Frequently Asked Questions About Thunderstorm Warnings

• What does a Severe Thunderstorm Warning mean? A Severe Thunderstorm Warning indicates that a thunderstorm producing large hail and/or damaging winds is happening or is imminent in your area.
• What is the difference between a watch and a warning? A ‘watch’ means conditions are favorable for severe weather, while a ‘warning’ means severe weather is actually occurring.
• Is it safe to be outside during a thunderstorm watch? It’s advisable to monitor weather conditions closely and be prepared to seek shelter if a warning is issued.
• What should I do if I am caught outdoors during a thunderstorm? Seek shelter in a substantial building or a hard-top vehicle. Avoid trees and open areas.
• Where can I find reliable weather information? Reputable sources include the National Weather Service,the Weather Channel,and local news broadcasts.

Are you prepared for severe weather events in your area? What steps do you take to ensure your family’s safety?

Share this article with your friends and family to help them stay informed and prepared!

What specific areas within the Las Vegas Valley are currently under a Flash Flood Warning?

Flash Flood Warnings and Rainfall totals

A powerful storm system brought torrential rainfall and flash flooding to the Las Vegas Valley overnight, impacting travel and prompting emergency responses. 8 News Now is continuously updating coverage as the situation evolves.As of 11:00 PM PDT on August 24th, 2025, a Flash Flood Warning remains in effect for several areas, including:

Downtown Las Vegas

Summerlin

Henderson

North Las Vegas

Preliminary rainfall totals reported by the National Weather Service indicate:

McCarran International Airport: 1.8 inches

Red Rock Canyon: 2.5 inches

Summerlin: 2.2 inches

Henderson: 1.9 inches

These figures are still preliminary and subject to change as more data becomes available. Residents are urged to avoid unnecessary travel and to heed all warnings from local authorities.

Road Closures and Transportation Disruptions

The heavy rainfall has led to widespread road closures across the Las Vegas Valley.The Nevada Department of transportation (NDOT) reports the following closures as of 11:30 PM PDT:

I-15 Southbound at Russell Road: Due to significant flooding. Expect major delays.

US-95 Southbound at Lake Mead Boulevard: Water accumulation causing hazardous driving conditions.

Charleston Boulevard between Main Street and Las Vegas Boulevard: Closed due to flooding and debris.

Several surface streets in the downtown area: Including parts of Fremont Street and Las Vegas Boulevard.

The Regional Transportation Commission of Southern Nevada (RTC) is reporting delays on several bus routes due to road conditions. Passengers are advised to check the RTC website or app for the latest service updates. McCarran International Airport is experiencing minor delays, with some flights temporarily grounded due to the severe weather. Check with your airline for specific flight information.

Power Outages Affecting Thousands

NV Energy is reporting widespread power outages affecting over 15,000 customers across the Las vegas Valley. The outages are primarily concentrated in the areas hardest hit by the storm, including Summerlin and Henderson. Crews are working to restore power as quickly and safely as possible, but estimated restoration times are currently unavailable. Residents experiencing power outages are encouraged to report them to NV Energy.

Safety precautions and Emergency Resources

The Las Vegas Valley is prone to flash flooding, even with relatively moderate rainfall. Here are some crucial safety precautions to take during a flash flood:

never drive through flooded roadways. Turn around, don’t drown. Even six inches of moving water can sweep a vehicle away.

Avoid walking or standing in floodwaters. the water may be contaminated or electrically charged.

If you live in a flood-prone area, move to higher ground.

Stay informed. Monitor local news and weather reports for updates.

Emergency Resources:

Clark County Emergency Management: https://www.lasvegasnevada.gov/Emergency

NV Energy Outage Reporting: 1-800-722-9999

8 News Now Weather Updates: https://www.8newsnow.com/weather/

Historical Context: Las Vegas Valley Flooding

While the desert climate of Las Vegas is typically dry, the region is susceptible to flash flooding due to its topography and the rapid runoff from surrounding mountains. The 2012 summerlin floods serve as a stark reminder of the potential devastation caused by heavy rainfall. That event resulted in significant property damage and several fatalities. The current storm,while severe,is being closely monitored by emergency management officials who have implemented lessons learned from past events. The Las Vegas Valley Wash system, designed to channel floodwaters, is currently operating at capacity.

Impact on Local Businesses & Tourism

The severe weather is impacting local businesses, particularly those in the downtown and resort corridor areas. Several casinos and hotels have reported minor flooding in outdoor areas, but operations remain largely unaffected. Though,the road closures and transportation disruptions are deterring tourists and impacting revenue. The Las Vegas Convention and Visitors Authority (LVCVA) is monitoring the situation and providing updates to visitors. Businesses are encouraged to implement their emergency preparedness plans and to communicate any closures or disruptions to their customers. The impact on the entertainment industry, including shows and events, is also being assessed.