Severe weather, flash flood watch: Tracking impacts across Southern Nevada

LAS VEGAS (KTNV) — The National Weather Service has issued warnings for severe weather that's expected to impact Southern Nevada on Tuesday.

The weather advisories issued by NWS on Tuesday include severe thunderstorm warnings for different parts of Clark County and a flash flood warning. These are in addition to a broader flash flood watch that started at 12 p.m. and lasts through 5 a.m. Wednesday.

We're tracking relevant updates throughout Tuesday evening here:

Significant flooding reported in Death Valley

10:45 p.m. — The National Weather Service is advising people in the area of Death Valley National Park to "exercise extreme caution" and avoid flooded areas after receiving reports of "significant flooding" in portions of the park.

"It's hard to tell how deep the water is, especially at night!" the agency wrote on social media.

New flash flood warning for southeastern Nye County

As of 6:04 p.m. Tuesday, a flash flood warning is in effect for southeastern Nye County until 9:15 p.m., according to NWS. Thunderstorms are producing heavy rain across the area. Approximately 0.75 inches of rain has already fallen, and another 0.25 to 0.75 inches could fall in the next few hours.

What should you do? Turn around, don't drown when you encounter flooded roads while driving. Report any flooding you come across to local emergency services or law enforcement. Stay away from river banks or culverts, or risk being swept away by water.

Lightning in the northwest valley

Channel 13 reporter Guy Tannenbaum was tracking the storm in the northwest Las Vegas Valley when lightning struck during his live TV hit. Take a look:

I-15 traffic alert

Only one lane is open along Interstate 15 southbound near Jean due to flash flooding. That's according to an alert from the Regional Transportation Commission of Southern Nevada at 4:20 p.m.

Drivers were advised to use caution and expect delays through the area.

UPDATE — As of 7:30 p.m. Tuesday, all lanes of the road have reopened.

Flash flood warning

As of 4:30 p.m. Tuesday, a flash flood warning is in effect for northwestern Clark County through 7:30 p.m. The NWS warns impacted areas could experience life-threatening flash flooding. Those locations include Las Vegas and the Spring Mountains, including Mt. Charleston and its associated campgrounds.

"Do not attempt to cross flooded roadways," the NWS warned. "Turn around, don't drown."

WET ROADS | Video taken outside the Channel 13 station shows the heavy rainfall on Valley View Boulevard:

Flash flood safety tips

Clark County shared a few reminders for locals and visitors who encounter flooded roadways in Las Vegas.

• Don't allow children or pets to play in or near floodwaters.
• Avoid walking or driving through flooded roads or around barricades.
• Remember, water always wins. Fast-moving water, even only a few inches deep, can sweep people off their feet or sweep a vehicle away.

Severe thunderstorm warnings

As of 3:10 p.m., the NWS issued a severe thunderstorm warning that includes Las Vegas, Henderson, North Las Vegas and the Strip. Hazards expected in those areas include winds up to 60 mph, large hail and heavy rain. That warning is in effect until 4 p.m.

As of 3:40 p.m., a separate severe thunderstorm warning had been issued for areas around Mt. Charleston, including Rainbow Canyon, Mahogany Grove Campground and Kyle Canyon Campground. Forecasters projected those areas could see 50 mph winds, large hail and heavy rain. This warning is in effect until 4:15 p.m.

HAILING IN VEGAS | Video shows hail falling in a northeast Las Vegas neighborhood on Tuesday: