Heat wave continues into weekend in Las Vegas Valley

Updated July 27, 2018 - 9:52 pm

The Las Vegas Valley’s latest heat wave will continue into the weekend, but the National Weather Service expects the excessive heat warning to expire Saturday.

The warning was issued for Tuesday through Thursday, but was extended through Saturday because temperatures across the valley are expected to stay dangerously high.

Friday’s high reached 114 degrees, just below the daily record of 115 set in 2016, the weather service said. Saturday will be hot and sunny with a high near 110.

As daytime highs rise, nighttime temperatures rise with them. Morning lows will stay in the mid- to upper-80s through the weekend and into next week, the weather service said.

The Clark County Air Quality Department issued an ozone advisory Friday around 11:30 a.m. for ground-level ozone pollution, set to last through Sunday. In addition to the local weather, smoke from California wildfires is also causing the advisory, according to a news release.

At ground level, ozone, a colorless gas in the atmosphere, is a key ingredient of urban smog. The smog builds up during hot days and can cause coughing, sore throats, chest pain and shortness of breath.

Clark County opened cooling stations across Las Vegas, Henderson and Laughlin at the start of the heat wave to give residents a place to escape the heat and rehydrate, and those stations will stay open through Saturday. Daytime homeless shelters at Catholic Charities, Shade Tree and the Salvation Army are open until Sept. 30.

Daytime temperatures will finally fall to near normal on Sunday and Monday, with highs near 108 forecast for both days, the weather service said. Tuesday’s high will dip to 106, which is about average for this time of year.

There’s a 10 percent chance of rain for Sunday and Monday and a 20 percent chance of rain for Tuesday, the weather service said.

Contact Max Michor at mmichor@reviewjournal.com or 702-383-0365. Follow @MaxMichor on Twitter. Review-Journal staff writer Mike Shoro contributed to this report.

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